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RC17 Service Manual

1. r HH ii RC22 P1198614M DQ22HS P1198617M MC22MP P1198703M MC22MPT P1198704M MC22MPT2 P1198705M RC27 P1198618M KFC1 P1198622M 55 RS2220001 Rev 3 Wiring Diagrams and Schematics 44 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power BLOnER MOTOR 2 amp Ps 5 SB a 3 4 5 8 7 8 9 1D 11 12 13 EXTENDED MEMORY BOAR NOT ON
2. SNUBBER S DER SNUBBEF SNUBBER Bu BY OR en BR RD PK vr x 3 Ze 0 S L Es a E 5 DQ22HS P1107908M MC22MP P1107904M RS2220001 Rev 3 42 Wiring Diagrams and Schematics 44 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power a k d Be Ba 7 10 11 12 13 8 I OOOOOOOOOO0000 P ep eet IN A rat Nee HI VOLT BOARD MAGNETRON 2 BOTTOM RC16MP P1191101M RC17 P1191104M 43 RS2220001 Rev 3 Wiring Diagrams and Schematics 44 WARNING To avoid risk of electrical shock personal injury or death disconne
3. P1198601M RC17 P1191103M RC20A RS2220001 Rev 3 48 Wiring Diagrams and Schematics 44 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power 208 250V 60Hz S WIRt ANTENNA MOTOR YON p m out M He PLE Qa PRENS Sealy m ON ANTENNA MOTOR DAP ese CONTROL A a M BOTTOM Ay LV HERMOSTATS br Y i J2 2 2 D H F 2 CAPACITOR Li CAPACITOR _L_ CAPACITOR 2 li RESISTOR lt RESISTOR lt RESISTOR lt g c 64 64 een bg NS FA 1 Ore ob ra LN K J li I lt l NP m NS Ye MAGNE TRON Reet TOP FRONT RECTIFIER NAN I3 N DI NS DI MAGNETRON 2 RECTIFIER MAGNETRON 3 TOP REAR RECTIFIER TAN BOTTOM DQ22HS P1198607M MC22MP P1198701M MC22MPT P1198702M 49 RS2220001 Rev 3 Wiring Diagrams and Schematics 0409 H3MOd 1noino TVINH HL 1081N02 9 ng o ASSY HOLIMS 83N01 ASSY
4. hi i55 J5 4 rae is m e e 1 e gc IAC Fr T TOP L l J3 2 J3 3 FRONT 4 6 MAG 1 e e ae e e Lou ae te SNUBBER MAGNETRON 1 TOP FRONT DP REAR RECTIFIER TAN HIGH VOLTAGE RC22 RC22S RC22LW RC22LW 45 P1198604M P1198605M P1198610M P1198611M RS2220001 Wiring Diagrams and Schematics 44 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power YL BU VT egg ES a ile Fy RC22 P1198604M RC22S P1198605M
5. w ji tQ OR TERM BLK RC27 P1198608M RS2220001 Rev 3 52 Wiring Diagrams and Schematics 44 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power RC17 P1198612M RC17SD P1198623M 53 RS2220001 Rev 3 Wiring Diagrams and Schematics 44 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power LO VOLT BOARD 0 2 3 4 5 6 7 8 98 10 EK EE EE E EE EE E 8 7 OCK SWITCH MONI HI VOLT BOARD 423 l HE 4 4 Pa kaki SNUBBE RC17 P1198612M RS2220001 THERMOSTAT OP
6. Press hidden enable pad Locate hidden enable pad to the immediate left and slightly down from the MENU 1 pad Signal sounds e Press number pad to enter quantity limit Maximum quantity limit for each menu item is nine e Press START to save new quantity limit 6 Press number pad to enter quantity Quantity selected program time and power level for stage 1 display STG stage indicator and stage numbers with nonzero times also light up if multiple stages exist NOTE signal sounds Repeat step 5 7 Press numbers to enter desired cooking time 8 Press POWER LEVEL and current power level display 9 Press numbers to enter power level if power level other than 100 is desired New power level displays For example press pad number 2 for 20 percent power 10 Press START pad to lock new heating time and power level in oven memory Display shows P 11 Press RESET pad or close oven door to exit programming mode If door is QTY If quantity selected is not within quantity limit COOK LEVEL indicator 13 Programming Multiple Stages 1 2 Complete steps 1 9 of Programming Menu Items Press STATUS pad to move through stages from lowest to highest 1 to 4 Display shows PX for one second followed by time and power level for selected stage P represents program X represents stage 1 2 3 or 4 Press number pads to enter desired cooking time and power level Repeat steps 3
7. sees 14 Programming PAIS nii aera 15 Using PAUS Function ssesess 15 Option Programs All Models Except WDYRC 15 WDYRC Operating Instructions sssss 16 Component Testing Procedures ssssss 17 Display Diagnostics Service GOES i eiicdccecccceethcccedesserececceaeeesecteccedsesensceces 21 S1 Watchdog Membrane Touch Panel 22 HOT Magnetron Overheating 22 CS Current Sense 22 PCE1 Checksum sss 23 PCE5 Communication Failure 23 PCE6 Communication Failure 23 HI High Line Voltage sssesees 23 LO Low Line Voltage eeeeees 23 Service Test All Models Except WDYRC Accessing Service Test Mode ssss 24 FLV System TOS e v kika de enn Re er nns 24 Diagnosing Individual H V System Components 24 Door Cycles and Magnetron Hours 25 Power Test Traditional 1 Liter Test 26 Troubleshooting Initial Power Up iece cet needs 27 Stand By Condition ssssssssess 28 Cook Condition sesssssseeeeereennne 29 Disassembly kato Handle tette uenis 30 Proc 30 OULEF CASE ciccccsttissccceceadcdeastiscenccageiaatescdtiantacseunede 30 Inner Door Ring Assembly sess
8. Recognize Safety Symbols Words and Labels 44 DANGER DANGER Immediate hazards which WILL result in severe personal injury or death 44 WARNING WARNING Hazards or unsafe practices which COULD result in severe personal injury or death 4 CAUTION CAUTION Hazards or unsafe practices which COULD result in minor personal injury or product or property damage RS2220001 Rev 3 4 Important Safety Information 4 CAUTION Read the following information to avoid possible exposure to microwave radiation The basic design of the Amana Microwave Oven makes it an inherently safe device to both use and service However there are some precautions which should be followed when servicing microwave oven to maintain this safety These are as follows 1 2 Always operate unit from an adequately grounded outlet Do not operate on a two wire extension cord Before servicing unit if unit is operable perform microwave leakage test The oven should never to operated if the door does not fit properly against the seal hinges or hinge bearings are damaged or broken the choke is damaged pieces missing etc or any other visible damage can be noted Check choke area to ensure that this area is clean and free of all foreign matter If the oven operates with door open and produces microwave energy take the following steps A Tell the user not to operate the oven B Contact Amana Refrigeration Inc immediately
9. 4 for additional stages Complete steps 10 11 of Programming Menu Items RS2220001 Rev 2 Specialized Programming QTY Quantity RC16MP RC17 RC17SD d ye RC22 RC27 KFC1 Open oven door and place food in oven Close oven door 3 Press QUANTITY pad e Oven is always set for QTY1 Press QTY once sess QTY2 e Press QTY twice eee QTY3 e Press QTY three times QTY4 4 Press START pad NOTE The oven will automatically adjust the time setting for the QTY programmed LMT Limit All Models Maximum amount of time a customer can program a pad number When time LMT is changed the time will change for all pads numbers in MENU1 or MENU2 1 Enter program mode 2 Press hidden enable pad 3 Press MENU1 or MENU2 NOTE Display will show current maximum time LMT 4 Enter new time LMT 5 Press MENU1 or MENU2 6 Close door or press reset pad e Ifa time higher than the max time limit is entered display will flash LMT and maximum time Display will then reset to 0000 LMT does not affect time entry operation RS2220001 Rev 2 PAUS Pause All Models Used to stop microwave power halfway through the cooking cycle as a reminder to manipulate food Me ela PAUS Open oven door Press pad 1 for five seconds to enter programming mode Press the desired menu pad exp MENU1 Press the desired number pad need
10. Remove diode lead from capacitor and connect ohmmeter Reverse leads for second test Disconnect wires to triac Measure resistance from MT1 to MT2 MT1 to Gate MT2 to Gate All terminals to ground Discharge Capacitors Remove wires from capacitor terminals and connect ohmmeter set on highest resistance scale to terminals Also check between each terminal and capacitor case Disconnect wires to snubber Measure resistance across terminals Discharge Capacitors Remove wires from magnetron and connect ohmmeter to terminals Also check between each terminal and ground Remove all wires from terminals Measure resistance from Terminal to terminal Remove all wires from motor Measure resistance across coil Measure resistance 17 Open at 280 F and closed at 180 F Opens at 262 F 128 C Open at 280 F and closed at 180 F Infinite resistance should be measured in one direction and 50KQ or more in the opposite direction NOTE Analog meter must contain a battery of 6 volts minimum Caution Do not operate oven with wire to terminal MT2 removed Infinite Q Approximately 40 or more Infinite Q Infinite Q Between Terminals Meter should momentarily deflect towards zero then return to over 5 MQ IF no deflection occurs or if continuous deflection occurs replace capacitor Terminal to Case Infinite resistance Infinite Q Between Terminals Less than 1 Q Each terminal to ground measure
11. 4 Door not completely latched 1 Inoperative low voltage board 2 Inoperative interlock switch module 3 Broken or improper wire connection Note There will be a 2 to 3 second delay before display begins counting down Refer to Display Diagnostics Heats very slowly NOTE Verify by performing power test page 26 Inoperative high voltage transformer s Inoperative diode s Inoperative capacitor s Inoperative magnetron s Inoperative or misadjusted interlock switch module Inoperative triac s Inoperative magnetron thermal cutout Broken or improper wire connection Water placed in oven is properly heated No heat Inoperative or misadjusted interlock switch module Inoperative magnetron thermal cutouts Inoperative capacitors Inoperative high voltage board Inoperative high voltage transformers Broken or improper wire connections Oven is operating properly OQarWONFz F ONDARON 29 RS2220001 Rev 2 Disassembly To avoid the risk of electrical shock personal injury or death disconnect power to oven and discharge capacitors before following any disassembly procedure Latch Handle Inner Door Ring Assembly The latch handle is removed by loosening the two set 1 Remove latch handle screws 3 32 inch allen screws one located to the left of 2 Remove outer door assembly the latch and one located on the bottom of the latch 3 Remove 5 hinge screws securing inner door ring handle as
12. 4500 watts 3500 watts Dimensions Cabinet Width 19 1 4 19 1 4 19 1 4 19 1 4 19 1 4 19 1 4 19 1 4 Width 13 3 16 13 3 16 13 3 16 13 3 16 13 3 16 13 3 16 13 3 16 Depth 14 7 8 14 7 8 14 7 8 14 7 8 14 7 8 14 7 8 14 7 8 Crated 101 Ibs 101 Ibs 101 Ibs 114 Ibs 114 Ibs 114 Ibs 114 Ibs Suffix designates different features in similar ovens MC22MP uses 20A Hubbell 320P6WM2 plug v MC22MPT uses 20A Twist Loc NEMA L6 20P plug ki MC22MPT2 uses 20A Hubbell HBL2321S plug Oven Interior Weight 7 RS2220001 Rev 2 Installation Installation Unpacking Oven Inspect microwave oven for damage such as dents in door or inside oven cavity Report any dents or breakage to source of purchase immediately Oven Placement Do not install microwave oven next to or above Source of heat such as pizza oven or deep fat fryer Excessive heat may cause oven to operate improperly and shorten life of electrical parts Allow air flow around unit Leave at least 1 1 2 inches between air discharge on back of oven and back wall Restricted air flow may cause oven to operate improperly and shorten life of electrical parts Care and Cleaning Interior Exterior and Door 1 Wash surfaces with a soft clean cloth and mild detergent diluted in warm water Remove excess water from cloth before wiping oven If desired boil a cup of water in oven to loosen soil before cleaning 2 Do not use cleaners containing am
13. ALL MODELS wt 4 so Y H 3 RC22 P1198614M DQ22HS P1198617M MC22MP P1198703M MC22MPT P1198704M MC22MPT2 P1198705M RC27 P1198618M KFC1 P1198622M RS2220001 Rev 3 56 Wiring Diagrams and Schematics 44 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power BBER NUBBEF SNU 12451002 WDYRC P1198621M 57 RS2220001 Rev 3 Wiring Diagrams and Schematics 44 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power DOOR CLOSED eee e 2 dh BAT B9 04 EXTENDED MEMORY BOARD NOT ON ALL MODELS V E INTERLOCK CH S SNUBBER SNUBBER MAGNETRON 1 BOTTOM E 12451002 DANGER HIGH VOLTAGE WDY
14. Door cycle counter advances one number for every 100 door cycles Example Display reads 156 x 100 2 15 600 Actual door cycles Press TIME ENTRY pad again for H V section 1 hours Press TIME ENTRY pad again for H V section 2 hours Press TIME ENTRY pad again for H V section 3 hours Press TIME ENTRY pad again reverts to door cycles Door Cycles Number of Door Cycles Display Magnetron Hours Magnetron Hours gH BB STG LI Lj Indicates Operating H V System Display 25 RS2220001 Rev 2 Power Test Traditional 1 Liter Test Test equipment required is Amana power test kit RO157397 Fahrenheit or Menumaster power test kit M95D5 Celsius 1 Fill the plastic container to the bottom of the 1000 mi line with cool tap water 2 Using the thermometer Fahrenheit or Celsius stir the water measure and record the water temperature Initial water temperature should be approximately 60 F 20 C 3 Place container on the center of the oven shelf and heat the water for 33 seconds for units more than 1550 Watts cooking power or 63 seconds for units less than 1550 Watts cooking power NOTE Use a watch second hand not the oven timer 4 Stir the water measure and record the temperature of the water after heating time is complete 5 Subtract the starting water temperature Step 2 from the ending water temperature Step 4 to obtain the tem perature rise 6 See the Temperature Chart
15. Inoperative blower motor wheel Open loose TCO ground wire Open loose E1 ground wire at H V board Inoperative high voltage board ONO OP OM RS2220001 Rev 2 22 CS Current Sense ITEM 5 MENU1 Current Sense Indicates control is sensing low current Amp draw Check components which would allow unit to run but produce no heat or low heat Current sense circuit is active only when using pre programmed pads Time Entry feature will by pass current sense circuit Red wire from cavity T C O must be routed through current sense loop on H V Board Possible Causes 1 Interlock switch contacts 2 amp 3 2 Open thermal cut out magnetron 3 Open loose wire 4 Powerrelay 5 H V Board 6 Magnetron 7 Diode 8 Capacitor 9 Transformer 10 Triac Red Wire to Cavity TCO Current Sense Loop High Voltage Board Display Diagnostics PCE1 Checksum PLE ITEM MENU1 NOTE Before scheduling service for this complaint instruct customer to unplug oven for one minute reconnect and retest If unit operates properly no further service is required If this error code does not disappear possible Causes are 1 Inoperative low voltage board PCE5 Communication Failure NOTE Before scheduling service for this complaint instruct customer to unplug oven for one minute reconnect and retest If unit operates properly no further service is required If this error code do
16. MAG 1 9 cow MEN NP ND NDS SPP S LOS OY gt MAGNETRON 2 TOP DANGER A LTAG RC17SD 54 R SNUBBER THERMOSTAT BOT MAG n 95 o NC I LA AAR AS WOW gt lt gt SS MAGNETRON 1 BOTTOM P1198623M Wiring Diagrams and Schematics 44 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power
17. Power Relay must be replaced Door Interlock Switch This microwave oven has a monitoring system to assure proper operation of the safety interlock switch Door Interlock Switch Assembly The interlock switch assembly located behind the cavity front is activated by the door guide and door hook attached to the door The door interlock switch assembly consist of switches that control various functions within the oven The monitor switch assures proper operation of the safety interlock system The primary interlock switch and secondary interlock switch control voltage to various components Grease Shield Covers and protects the top antennas 44 DANGER To avoid severe personal injury or death avoid contacting any high voltage parts The capacitors are at high voltage 4000 volt potential and it is extremely important that they be grounded before handling Transformers Two or three high voltage transformers are used in the unit Each supplies high voltage A C for operation of the magnetron tubes High Voltage Capacitor Doubles the A C output voltage from the high voltage transformer High Voltage Diode Rectifier Is connected at the output side of the high voltage capacitor It changes the voltage from A C to D C It passes current in one direction and blocks it in the other Also refered to as a rectifier Magnetron With a filament voltage and the high D C voltage from the output of the H V
18. arcing wear and other damage Damage to or loosening of hinges and latches Evidence of dropping or abuse Before turning on microwave power for any service test or inspection within the microwave generating compartments check the magnetron waveguide or transmission line and cavity for proper alignment integrity and connections Any defective or misadjusted components in the interlock monitor door seal and microwave generation and transmission systems shall be repaired replaced or adjusted by procedures described in this manual before oven is released to the consumer Check microwave leakage to verify compliance with the federal performance standard should be performed on each oven prior to release to the consumer WIRING Good service practice is to never route wiring over terminals and or sharp edges This applies to any wiring without regard to the circuit voltage Wire insulation material and thickness is designed and regulated for electrical spacing purpose only but cannot always be relied upon because of possible cuts and or abrasions which can occur during servicing RS2220001 Rev 3 WARNING To avoid risk of electrical shock injury or death make sure these grounding instructions are followed Grounding Instructions WARNING Do not remove grounding prong when installing grounded appliance in a home or business that does not have three wire grounding receptacle under no condition is groundi
19. capacitor diode junctioning the magnetron will put out an electomagnetic radio frequency of 2450 MHz to heat the load in the oven Thermal Protectors All magnetrons in this oven are protected by resettable thermal cut outs These thermal cut outs are mounted directly on the body of the magnetron If one of these thermal cut outs open the oven will either indicate an error code in the display or operate at reduced power Keypads Allows customer operation and programming of oven Triac The triac is controlled gated by the high voltage and low voltage circuit boards The triac controls one side of the power line going to the high voltage power transformers RS2220001 Rev 2 Operating Instructions Control Panel RC16MP RC17 RC17SD RC20 RC22 RC27 KFC1 POWER TIME ENTRY QUANTITY DELETE STATUS READOUT DISPLAY DQ22 MC22 LEVEL LEVEL TIME ENTRY ese MNT e READOUT DISPLAY Pads MENU 1 or MENU 2 RC16MP RC17 RC17SD RC20 RC22 RC27 KFC1 MENU 1 MENU 2 MENU 3 or MENU 4 DQ22 MC22 Use for independent cooking programs For example MENU 1 could be breakfast items MENU 2 lunch items MENU 3 dinner item and MENU 4 desserts Numbers 1 0 Selects the desired menu item and quantity program for preset programs Numbers are also used to enter cooking times during programming mode Press directly on digit to activate number pads ADD Use to make a change to preset number pads PAU
20. housing and mounting bolts Blower Wheel Blower p Housing Blower Blower Motor T Housing Back Panel Blower Wheel Set Screw 9 777 Following are Accessible by Removing Back Panel Oven relay Blower see additional instructions e Diodes Triac 3 Top Front Magnetron Capacitors On 3 Tube Ovens Only Top for top front magnetron support Middle for top rear magnetron Triac 1 Bottom for bottom magnetron Bottom Magnetron Triac 2 Top Rear Magnetron H V transformers two mounting screws on back flange and slide transformer out Right for top front magnetron Middle for top rear magnetron Left for bottom magnetron Triacs Back for top front magnetron Middle for top rear magnetron Front for bottom magnetron Autotransformer H V circuit board Fuses Blower Assembly 35 RS2220001 Rev 2 Disassembly To avoid the risk of electrical shock personal injury or death disconnect power to oven and discharge capacitors before following any disassembly procedure Fan Blade 1 Remove top mounting clip from end of shaft 2 Pull blade off shaft 3 When reinstalling blade push blade on shaft and rotate to insure clearance between fan blade and motor mounting bolt H V Board 1 Unplug connectors 2 Disconnect wires from terminals E1 E2 and E3 3 Disconnect
21. in step 3 If one is desired proceed to step 4 3 Press QUANTITY pad to increase quantities Cooking times are calculated automatically 4 Press desired number pad and oven operates Display shows item selected and heating time counts down Display shows POWER when microwave energy is present Display counts down cooking time 5 Oven stops display shows EOC and signal sounds when timing sequence is finished 6 Open oven door 11 Variable Time Entry 1 Open oven door and place food in oven Display shows door Oven fan and light operate 2 Close oven door Display shows MENU and ITEM flashing Press desired menu pad if different than display 3 Press TIME ENTRY pad Display shows 0000 4 Press numbers to enter desired cooking time NOTE Change power level by following procedure in steps 5 6 If 100 percent power is desired proceed to step 7 5 Press POWER LEVEL pad Display shows COOK LEVEL and current power level 6 Press numbers to enter desired power level example press 2 pad is 20 percent power 7 Press START pad and oven operates Display shows POWER when microwave energy is present If power level was programmed display shows COOK LEVEL Display counts down cooking time 8 Oven stops and signal sounds when timing sequence is finished Display shows EOC 9 Open oven door and remove food For Summary of Programming Multiple Stages Open oven door Press
22. pad 1 for five seconds Press desired menu pad Press desired number pad Enter desired cooking time Press STATUS pad Enter desired cooking time and power level nNogRONM NOTE Repeat steps 6 amp 7 for each stage 8 Press STAHT pad to lock new program 9 Press RESET pad or close oven door to exit programming NOTE The display will show the total 4 stage cooking time Operating Notes If door is opened microwave energy ceases Blower continues to operate Close door and press START pad to continue oven operation and countdown timing Microwave energy ceases if STOP RESET pad is pressed once while oven is operating but display shows countdown time Press STAHT pad to continue oven operation and countdown timing Oven stops and current program is cancelled if STOP RESET pad is pressed twice If preset pad is pushed immediately after door is opened then closed a slight delay occurs before oven starts and timing countdown begins RS2220001 Rev 2 DQ amp MC Operating Instructions Preprogrammed Menu Items Oven can program up to 99 separate menu items Quantities from one to nine for each menu item may be programmed Each item may be programmed for up to 4 independent cooking stages The 99 programmed items may be distributed or organized into groups by assigning them to any of the 4 available menus Operating Preprogrammed Menu Items 1 Open oven door and place food in oven Display shows door
23. power to oven and discharge Bottom Shelf NOTE The tray is sealed in place with Silicone Rubber This type of sealant releases acetic acid and needs curing The unit should not be used for minimum of one hour after application 1 Unplug oven from outlet 2 Open door and using a thin bladed knife cut seal along edges and remove pieces from unit Remove any sealant residue and thoroughly clean sump area using a mild detergent Clean oven cavity bottom where new RTV sealant will make contact using mineral spirits or any nonflammable de greasing solvent 3 4 NOTE Detergents soap and water are not sufficient to remove oil and grease 5 Place new tray into unit and seal in place 6 Allow RTV sealant to cure one hour before using Grease Shield 1 Unplug oven before removing grease shield to stop antenna from rotating Remove shield by placing thumbs in front of shield Press firmly toward back and carefully lower front of shield away from antenna Pull shield forward out of back slots and out of oven 3 Replace grease shield by fitting tabs into slots at top of oven back Lift and press front of shield until shield snaps into place 2 Outer Case 1 Remove screws in side and back 2 Slide outer case back and lift off 31 capacitors before following any disassembly procedure Top Keypad Assembly 1 Remove outer case 2 Remove ribbon cable from low voltage circuit board 3 R
24. provided below NOTE Always perform power test three times for accuracy changing the water after each test is performed NOTE Variation or errors in the test procedure will cause a variance in the temperature rise indication Additional power tests should be made if temperature rise appears marginal NOTE Low line voltage may cause lower power output temperature rise Temperature Chart THIRTY THREE SECONDS run time chart for units more than 1550 watts cooking power AT Cooking AT Cooking AT Cooking AT Cooking F Power Output F Power Output C Power Output C Power Output 20 1550 28 2170 11 1540 15 5 2170 21 1627 29 2247 11 5 1610 16 2240 22 1705 30 2325 12 1680 16 5 2310 23 1782 31 2402 12 5 1750 17 2380 24 1860 32 2480 13 1820 17 5 2450 25 1937 33 2557 13 5 1890 18 2520 26 2015 34 2635 14 1960 18 5 2590 27 2092 35 2712 14 5 2030 19 2660 15 2100 19 5 2730 SIXTY THREE SECONDS run time chart for units less than 1550 watts cooking power AT Cooking AT Cooking AT Cooking AT Cooking F Power Output F Power Output C Power Output C Power Output 12 464 20 775 7 490 11 770 13 504 21 814 8 560 12 840 14 542 22 852 9 630 13 910 15 581 23 891 10 700 14 980 16 620 24 930 17 659 25 969 18 697 26 1007 19 736 RS2220001 Rev 2 26 Troubleshooting Initial Power Up Connect Power Cord Door Clo
25. replaced or adjusted Special care should be taken in measuring around the magnetron Measurement With a Fully Assembled Oven After all components including the outer panel are fully assembled measure for radiation leakage around the door periphery the door viewing window the exhaust opening and air inlet openings Record Keeping and Notification After Measurement 1 After any adjustment or repair to a microwave oven a leakage reading must be taken Record this leakage reading on the repair ticket even if it is zero 2 Acopy ofthe repair ticket and the microwave leakage reading should be kept by the repair facility Specifications DQ22HS RC22 MC22MP Models rciemp _RC17 Rc2oA RE22LW MC22MPT KFC1 WDYRC RC17SD RC228 Mora Meo RCE7 RC22MP RC22MPS Power Source Voltage AC 208 230 208 230 208 230 208 230 208 230 208 230 208 230 Amperage single unit Frequency e Hz em Hz eon Hz eH Hz eu Hz e Hz ens Hz Single Phase 3 wire grounded Receptacle 6 20R 6 20R 6 20R 6 20R 6 30R 6 20R Plug 6 62 6 62 6 emP 6 620P 6 630P 6 620P Power Output Nominal microwave energy IEC705 1600 watts 1700 watts 2000 watts 2200 watts 2050 watts 2700 watts 2000 watts Operating Frequency 2450 MHz 2450 MHz 2450 MHz 2450 MHz 2450 MHz 2450 MHz 2450 MHz Power Consumption Cook Conditions 3200 watts 3400 watts 4000 watts 4300 watts 3500 watts
26. sense loop wire from cavity thermal protector NOTE Be sure to route wire through sensing loop when replacing high voltage board Red Wire to Cavity TCO Current sense Loop High Voltage Board Power Cord 1 Remove outer case assembly 2 Disconnect wiring 3 Remove strain relief by compressing with pliers 4 Remove power cord Component Location Wave Guide Antenna Motor Under JE Three Magnetron Model Top View High Voltage Board 4 Disconnect seven mounting clips by pushing clips away from the board pd Thermal Protector TCO Removing inner side panel by removing four mounting screws 2 Remove thermal protector mounting screw protective covering inside of cavity must be held 3 Disconnect wiring RS2220001 Rev 2 Antenna Motor Under Bracket Two Magnetron Model Top View Disassembly 44 WARNING To avoid the risk of electrical shock personal injury or death disconnect power to oven and discharge capacitors before following any disassembly procedure Center Left Magnetron Control Left Air Baffle Air Baffle TCO TCO Top Rear Top Front Magnetron Magnetron Interlock Switch Assembly Center Right Air Baffle Bottom Magnetron Control TCO Magnetron TCO Three Magnetron Model Side View Top Rear Magne
27. sessseenn 9 Blower Fan Assembly sese 9 Power Helay eoe eee eto tee ts 9 Door Interlock and Monitoring Switch 9 Grease Shield esses 9 ST RANSTORMMONS risi tid REDE 9 High Voltage Capacitor ssssssssss 9 High Voltage Diode Rectifier 9 WAGQMOUION eee EE 9 Thermal Protectors cccccccessecceeeeeesseeeeeeeeeeneennees 9 KEV PACS ie pire a e ai ae ab gas ta e ok sap 9 a NWAYO n a n n a ins 9 Operating Instructions Control Panel sss 10 acp 10 Readout Display ssssseeeees 10 RC Operating Instructions Preprogrammed Pads sse 11 Operating Preprogrammed Pads 11 Variable Time Entry ssssseeese 11 Summary of Programming Multiple Stages 11 Operating Notes ssssssseeennns 11 DQ amp MC Operating Instructions Preprogrammed Menu Items sss 12 Operating Preprogrammed Menu ltems 12 Variable Time Entry seese 12 Operating Notes cede cedes 12 Programming Menu ltems seeessss 13 Programming Multiple Stages 13 Specialized Programs QTY Quantity RC16 RC17 RC20 RC22 RC27 14 LMT Limit All Models
28. 09M RC22MP P1107902M RC22MPS P1107906M RS2220001 Rev 3 40 Wiring Diagrams and Schematics 44 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power FUSE Y AUTO TRANSFORMER YOY aan Aan A NYY 4 230 amp 9 e Q END m e JU I d 2 6 7 E dint J6 6 1 LO V DARD JI T yot B6 3B 9 10 11 13 ka gt 99 9 9 9 999 99 p HI VOLT BOARD im E F 0000 OFOr Or EE 0 J1 1 2 3 4 5 6 7 8 g 10 1 2 13 Q Ji XTENDED MEMORY BOARD oc DARD i 5 4 J4 J3 3 J4 6 Mast a 2 chy J A 3 COM Y 208 Y 230 Y 23 AAAA AAA J ES e ANN x 5 6 6 CAPACITOR RESISTOF KI pi e lt 77 recti ER 7 RECTI ER SAJ ITI DQ22HS P1107908M MC22MP P1107904M 41 RS2220001 Rev 3 Wiring Diagrams and Schematics 44 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power
29. 1 2 3 4 5 6 7 8 9 10 11 12 13 HI VOLT BOARD EXTENDED MEMORY BOARD CURRENT INTERLOCK 3 SENSING SWITCH COIL PRIMARY Te 8 7 INTERLOCK SWITCH MONITOR HI VOLT BOARD a 44 8 x J4 1 k F o E3 r TOR 1 GS Thue G T TRIAC D TOP TOP AV eorom FRONT REAR MAG E2 W 2 451 454 J53 MAG Ja a MAG Ja 2 Ja 2 33 3 4 m r 9 2 o n o 1 SNUBBER SNUBBER SNUBBER Li RESETTING TCO TOP FRONT MAG SELF RESETTING TCO TOP REAR MAG BOT MAG FUSE S FUSE C 3 3 g 230 230 POWER POWER POWER X FMR MS FMR XFMR N TOP FRONT TOP REAR BOTTOM VYVYVNY JAG JENE Y NONN MAG 5 5 6 TI T TI 5 11 5 Pirna CAPACITOR gt capacitors RESISTOR lt RESISTOR lt RESISTOR lt e a e RECTIFIER 4 l 7 gt FA 7x9 FA NK d TI Ne ZE Ne 4 Se Y MAGNETRON 1 gt MAGNETRON 2 gt MAGNETRON 3 TOP FRONT 4 A TOP REAR d T BOTTOM RECTIFIER TAN RECTIFIER X NN DANGER HIGH VOLTAGE 12495902 44 DANGER HIGH VOLTAGE MC22MP P1198706M MC22MPT P1198707M MC22MPT2 P1198708M RS2220001 Rev 3 60
30. Always have oven disconnected when the outer case is removed except when making live tests called for in the service manual Do not reach into equipment area while unit is energized Make all connections for the test and check them for tightness before plugging cord into outlet Always ground capacitors on magnetron filter box and H V capacitor with an insulated handle screwdriver before working in high voltage area of equipment compartment Some types of failures will leave a charge in these capacitors and the discharge could cause a reflex action which could make you injure yourself In the area of the transformer capacitor diode and magnetron there is HIGH VOLTAGE When the unit is operating keep this area clean and free of anything which could possibly cause an arc or ground etc Do not for any reason defeat interlock switches there is no valid reason for this action at any time nor will it be condoned by Amana IMPORTANT Before returning a microwave to a customer check for proper switch interlock action The primary and secondary switches MUST open when the door handle is actuated The monitor switch MUST close at 1 4 inches when the door is opened See Service Section for detailed instructions 10 Before returning a microwave to a customer verify the door spacing is reasonably uniform along the top bottom and sides and that it measures 1 8 inch or less 11 The Amana microwave oven should ne
31. HOLIMS 3dan 44 WARNING asvos 1304 01 asvos W3A O3aN31X3 P1198607M P1198701M MC22MPT P1198702M 50 DQ22HS MC22MP Rev 3 To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power RS2220001 Wiring Diagrams and Schematics 44 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power BLOWER MOTOR ANTENNA MOTOR TOP TERNA A OVEN LIGHT OPTIONAL eo a G RECTIFIER Te G SNUBBER RC27 51 P1198608M RS2220001 Rev 3 Wiring Diagrams and Schematics 44 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power BR BK WIRING DI PART NC 1 J5 i3 WH JOR RD ey
32. Oven fan and light operate Close oven door Active menu item indicator lights up ITEM indicator flashes Press desired menu pad if different than menu displaying Press two numbers for menu item to be cooked For example if menu item number 3 is selected press 0 and 3 ITEM indicator lights up QTY and LMT indicators and user defined limit flash in display This is maximum quantity of items that can be programmed to cook in the oven at one time Press number pad to enter quantity Quantity selected power level for stage 1 and total cooking time for all stages display Cooking begins immediately after quantity is entered 2 3 NOTE If quantity selected is not within quantity limit signal sounds Repeat step 4 6 When cycle is complete oven stops and signal sounds EOC displays 7 Open oven door and remove food RS2220001 Rev 2 Variable Time Entry 1 Open oven door and place food in oven Display shows door Oven fan and light operate Close oven door Display shows active menu and ITEM Press TIME ENTRY pad Display shows 0000 Press numbers to enter desired cooking time 2 3 4 Change power level by following procedure in steps 5 6 If 100 percent power is desired proceed to step 7 5 Press POWER LEVEL pad Display shows COOK LEVEL and current power level Press numbers to enter desired power level For example press 2 pad for 20 percent power Press START pad and o
33. RC P1198621M RS2220001 Rev 3 58 Wiring Diagrams and Schematics 44 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power TERMINAL BUSHING SHIEL BK bh K L EY L Wa as BU fen H EF i 12495902 DANGER HIGH VOLTAGE MC22MP P1198706M MC22MPT P1198707M MC22MPT2 P1198708M 59 RS2220001 Rev 3 Wiring Diagrams and Schematics 44 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power Li GND L2 230V 50Hz 3 WIRE SCHEMATIC DOOR OPEN INTERLOCK SWITCH SCHEMATIC he oN DOOR CLOSED LINE FILTER M BLOWER MOTOR 2 e e 3 A ANTENNA MOTOR FUSE 77 TOP ee mp SELF MAG 2 d N ANTENNA MOTOR I gt l M BOTTOM 1 j T 042 ON eee a Oe T HI VOLT BOARD too OVEN 7 J bo SIEG Y 12 3 4 5 6 7 9 240 220 com Ye LO VOLT BOARD 1 2 3 4 5 6 7 8 9 10 11 1 13 y i z E 7 L o r j 5 F INTERLOCK jig a 6 6 6 oo SWITCH SECONDARY
34. RC22LW P1198610M RC22LW P1198611M RS2220001 Rev 3 46 Wiring Diagrams and Schematics 44 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power CON THERM a 3 i T TRIAC E AC e 992 J3 3 e l a a J4 6 Ja a Ja 2 O O AY me Zeh bs 24 O e q Q P ei EN ee 2 SNUBBER SNUBBER 16H VOLTAGE t S S awa RC17 P1198601M RC20A P1191103M 47 RS2220001 Rev 3 Wiring Diagrams and Schematics 4 amp WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power Qx e IZ 5x SD ey X 0 O0 Omm Lu E a LU S a I zo r a a x Dou ak g g oF gt 7 wa AN
35. SE Use to stop microwave power halfway through cooking stage and as reminder to manipulate food POWER LEVEL Use to select power level If no power level is selected oven operates at 100 power HOLD Use to operate oven with no microwave energy for programmed time DELETE Use to delete preprogrammed number pads current heating stages and power levels STATUS Use in optional programming to change options Press to move through stages 1 4 of programming START Use to save changes to permanent memory STOP RESET Exits programming mode and stops cooking during cooking cycle TIME ENTRY Used to program times not in oven memory Time entry overrides preset times QUANTITY RC16MP RC17 RC20 RC22 RC27 Use to select a quantity greater than 1 RS2220001 Rev 2 Readout Display EOC End of Cycle Lights at end of cooking cycle PAUS Pause Lights during cooking pause p Lights when viewing stage with an enabled pause or when entering programming mode POWER Lights when oven is in a cook cycle COOK LEVEL Lights when viewing stage with reduced power or hold Power level digit or H for hold display MENU 1 or MENU 2 Lights active menu ITEM Lights when number is pressed to select item LMT Limit Flashes when either user time limit or maximum time limit is exceeded QTY Quantity DQ22 and MC22 Only Flashes until desired quantity is entere
36. Service Commercial Microwave Oven This manual replaces RS2220001 Rev 2 Service Manual for Amana This manual is to be used by qualified appliance technicians only Amana does not assume any responsibility for property damage or personal injury for improper service procedures done by an unqualified person Amana Models and manufacturing numbers in this manual DQ22HS DQ22HS DQ22HS KFC1 MC22MP MC22MP MC22MP MC22MP MC22MPT MC22MPT MC22MPT MC22MPT2 MC22MPT2 RC16MP RC17 RC17 RC17 RC17SD RC20A RC20A RC22 RC22 RC22 RC22LW RC22LW RC22MP RC22MPS RC22S RC27 RC27 WDYRC P1198607M P1107908M P1198617M P1198622M P1198701M P1107904M P1198703M P1198706M P1198702M P1198704M P1198707M P1198705M P1198708M P1191101M P1191104M P1198601M P1198612M P1198623M P1198603M P1191103M P1107909M P1198604M P1198614M P1198610M P1198611M P1107902M P1107906M P1198605M P1198608M P1198618M P1198621M RS2220001 Revision 3 November 2000 IMPORTANT PRODUCT INFORMATION Precautions to be observed before and during servicing to avoid possible exposure to excessive microwave energy or electrical shock disconnect power to oven Do not operate or allow oven to be operated with door open Make the following safety checks on all ovens to be serviced before activating the magnetron or other microwave source and make repairs as necessary Interlock operation Proper door closing Seal and sealing surfaces
37. ct power to oven and discharge capacitor before servicing unless testing requires power YL BU VT 8 Y R B B i 8 R B wi Jon RO ov a a x 8 Li Li ZN a 2 3 ms 2 aNs E Bk c 2 3 zj RC16MP P1191101M RC17 P1191104M RS2220001 Rev 3 44 Wiring Diagrams and Schematics 44 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power 208 230 es HEMATIC 1 ND 208 230V H 3 2 EMADE re DOOR OPEN YN N BLOWER MOTOR M 2 Nen 2 8 SEN ao di MOTOR PR P BOTTOM l HI VOLT BOARD ZAN 3 5 6 7 8 9 Uo e e VEN LIGHT A Aria hu OPTIONAL Q NNN FRE 2 3 4 5 6 7 8 9 231 208 cou i j iO VaLT BOARD s Ht ye ao Nees 8 9 10 11 12 13 Pc cccccccccce
38. d J3 connector is for side keypad ribbon J4 connector is for top keypad ribbon Extended memory board MC and DQ only Remove all wires from relay Measure resistance A to B coil 3 to 4 contacts With 12 VDC across the coil A to B Measure resistance 3 to 4 contacts Connector Plugged In J2 Pin 5 violet to ground J2 Pin 6 J2 Pin7 blue to ground J6 Pin 6 orange to Pin 1 white J6 Pin 5 yellow to Pin 1 white J6 Pin 1 white to Pin 3 red Connector Plugged In J2 Pin 5 violet to ground J2 Pin 6 J2 Pin7 blue to ground J3 connector is for side keypad ribbon J4 connector is for top keypad ribbon 1 Unplug oven for 1 minute 2 Close oven door 3 Plug oven in 19 _ Component XJ Tet Resuts O Approximately 120 Q Infinite Q 0Q 27 VDC Ground 18 VDC 230 volts output to blower and antenna motors when line voltage is 230 V 208 volts output to auto transformer for blower and antenna motors when line voltage is 208 V Line voltage 27 VDC Ground 18 VDC This dash must be lit top segment of far right digit Wire Harness Testcontinuity of wires Indicates continuity RS2220001 Rev 2 Component Testing Procedures 4 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires it All model
39. d or 15 second time limit expires Continuously lights during cooking cycle when quantity greater than 1 is selected STG Stage indicator Lights when multiple cooking stages exist for the selected item an i POWER IHE COOK MENU2 MENU3 MENU4 LEVEL ITEM BIG arv 1 H H LI MENU1 HE H ADD DEL P LMT Readout Display RC and KFC1 Operating Instructions Preprogrammed Pads Oven contains two menus with ten preset number pads each Heating times and power levels can be adjusted to fit menu requirements See separate programming instructions packed with oven Number pads come factory set to operate at full power for the following times MENUS 1 and 2 pads are programmed identically at the factory Instructions are written for factory programmed ovens _ RC16MP 17 20 22 27_ RC22LW only Pads Cooking Time Cooking Time 6 1 1 2 minutes 7 seconds 8 3minutes NoTime 9 4miues NoTime 0 Sminutes jNoTime On KFC1 units refer to Owners Manual for specific cooking times Ovens that are reprogrammed may not respond exactly as described below Operating Preprogrammed Pads 1 Open oven door and place food in oven Display shows door Fan and light operate 2 Close oven door Display shows MENU and ITEM flashing Press desired menu pad if different than display NOTE Change quantity by following procedure
40. e bottom antenna gear when removing motor NOTE Gears are aligned by aligning the arrows to the dots on gears omar t Pl RENIO a 2 S Antenna Motor Nylon Washer Cotter Pin NOTE Nylon washers must be installed between antenna gears and cavity Disassembly To avoid the risk of electrical shock personal injury or death disconnect power to oven and discharge capacitors before following any disassembly procedure Bottom Antenna Blower Wheel and Motor 1 Remove shelf 1 Remove outer case 2 Set oven on side 2 Remove back panel 3 Remove bottom access panel 3 Remove auto transformer 4 Removal antenna gear 4 Remove wiring to blower motor NOTE Gears are aligned by aligning the arrows to the 5 Remove the one blower assembly mounting screw dots on gears located under the support brace and remove assembly 5 Remove antenna from top 6 Remove three mounting screws located under blower 6 Replace and reseal shelf housing assembly 7 Remove assembly from oven Back Panel 8 Loosen the 1 8 inch allen set screw securing blower 1 Remove outer case wheel to shaft 2 Remove six panel mounting screws 9 Remove three blower mounting housing screws 10 Remove blower wheel 11 Remove four motor mounting bolts 12 When reinstalling blower wheel push blower wheel on shaft and rotate to insure clearance between blower wheel blower
41. emove screws and lift out Split Ribbon Cable End Connector Side Keypad Split in ribbon cable to the right as facing the front of the unit Connector Top Keypad Split in ribbon cable to the right as facing the front of the unit Side Keypad 1 Remove outer case Remove ribbon cable from low voltage circuit board Remove low voltage circuit board Loosen outer case trim Remove mounting screw s Tilt side touch panel away from oven release bottom mounting tabs some models and remove panel DNAN Low Voltage Circuit Board 1 Remove outer case Disconnect ribbon cables Disconnect connector from back of circuit board Squeeze clips together to depress the four standoffs and lift board out 2 3 4 RS2220001 Rev 2 Disassembly To avoid the risk of electrical shock personal injury or death disconnect power to oven and discharge Top Antennas 1 Remove outer case 2 Remove grease shield 3 While holding antenna remove wire securing antenna to gear at top of unit 4 Remove antenna 5 Remove gear Arrow Arrow NOTE Gears are aligned by aligning the arrows to the dots Cotter Pin Antenna Gear Nylon Washer Antenna Motor Antenna NOTE Nylon washers must be installed below gears Top Antenna Motor 1 Remove outer case Remove three antenna gears Disconnect motor wiring Remove three stirr
42. er 30 Filles AR E E e e RE RE E items 30 Bottom Shelf 2 oett ete uctor enne cree tung 31 Grease Shield secenscsiucacibidcniiniiiennediiiui 31 Outer CaSO icc kras dak kana aa pk kr kaa taa ka ea enea 31 TOP Keypad av kise va ra e banana re aka avin kot kaka nia 31 Side Keypad cenieni anolita on aaa 31 Low Voltage Circuit Board insciis 31 Top Antennas ccccceeessccccceeeeeeeeeeeeeeeeeseeeeeeenensenes 32 Top Antenna Motor ccccie Geordie en 32 Antenna Matching ccccceeeeeecneeeeeeeeeetneeeeeeeeenaaes 32 Interlock Switch Module suse 33 Top Rear Magnetron sesseeeeee 33 Top Front Magnetron sriid 33 Bottom Magnetron see 34 Magnetron and Control Thermal Protectors TCO 34 Bottom Access Panel sssssssss 34 Bottom Stirrer Motor 34 Bottom Antenna sssssssssseeeeeeeeenenenn 35 Back Panel T 35 Blower Wheel and Motor ssssses 35 Fan BIA e ions 36 FI ME BON rs 36 Cavity Thermal Protector TCO 36 POWER Cord m 36 Component Location ccccceeeeeeteeeeeeteeeeeeeaeeeeee 36 Wiring Diagrams and Schematics 39 60 Amana Refrigeration Inc 2800 220thTrail e PO Box 8901 Amana lowa 52204 Printed in the U S A RS2220001 Rev 3 Important Information Pride and workmanship go into every product to provide our customers wit
43. er motor bracket mounting rivets The motor and bracket are replaced as one part 2 3 4 NOTE Gears are aligned by aligning the arrows to the dots on gears RS2220001 Rev 2 32 capacitors before following any disassembly procedure Antenna Matching Antenna Motor ov i Standard Antenna Early Production Antenna Standard Blue Tipped Front Antenna Antenna Later Production 44 WARNING When servicing the top antennas give careful attention to the color of the antenna tip Part 10787601 is standard non colored Part 10787602 is blue tipped These antennas are not interchangable Refer to Parts Manual for correct application Disassembly To avoid the risk of electrical shock personal injury or death disconnect power to oven and discharge Interlock Switch Assembly 1 Remove outer case 2 Disconnect wiring 3 Remove mounting screws securing mounting bracket to oven cavity and remove switch assembly from oven 4 Re connect wires to switch and check operation of monitor circuit before operating the oven NOTE When the line fuse is open on models RC27 and KFC1 the interlock switches and the power relay must be replaced 123458789 Primary Spacer Bracket Type 2 Adjustment 1 To adjust interlock switch assembly close door 2 Loosen bottom screw on the interlock switch assembly allowing the switch assembly
44. es not disappear pos sible causes are 1 Broken or improper wire connection between high voltage board and low voltage board 2 Inoperative cable between low voltage board and extended memory board 3 Inoperative high voltage board 4 Inoperative low voltage board 5 Inoperative extended memory board 23 PCE6 Communication Failure NOTE Before scheduling service for this complaint instruct customer to unplug oven for one minute reconnect and retest If unit operates properly no further service is required If this error code does not disappear possible Causes are 1 Broken or improper wire connection between high voltage board and low voltage board 2 Inoperative cable between low voltage board and extended memory board 3 Inoperative high voltage board 4 Inoperative low voltage board 5 Inoperative extended memory board HI High Line Voltage HI MENU1 1 Input voltage over 270 VAC 2 Inoperative high voltage board ITEM LO Low Line Voltage LO MENU1 1 Input voltage less than 185 VAC 2 Inoperative low voltage board ITEM RS2220001 Rev 2 Service Test All Models Except WDYRC For WDYRC service test information refer to RT2230008 Technical Sheet The high voltage portion of these models contain multiple H V systems Each H V System contains the following 1 Magnetron 1H V Transformer 1 Capacitor 1 Diode 1 Triac Connecting wiring Each H V
45. gin new heating cycle If heating cycle is paused and not restarted remaining time clears in 15 seconds Oven door must be opened and closed before starting a new heating cycle RS2220001 Rev 2 Heating with Preprogrammed Pads Oven has 4 preprogrammed pads 1 Open oven door and place food in oven Display shows door e Fan and light operate 2 Close oven door Display shows MENU and ITEM f oven display does not show ITEM pads do not accept entries Open and close oven door to activate pads 3 Press desired a START pad and oven operates Heating time counts down Display shows POWER when microwave energy is present 4 Oven stops and signal sounds when timing sequence is finished Display shows EOC 5 Open oven door Wendy s Recommended Performance Test See Owner s Manual 16 Component Testing Procedures 4 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires it Mustration Component Crest Resutis Thermal Cutout B5684106 B5795306 B5684118 Snubber Assembly Blower Motor Lamp 240 VAC 40 Watts Disconnect all wires from TCO Measure resistance across terminals Magnetron TCO 250 terminals Cavity TCO Control TCO 187 terminals Discharge Capacitors
46. h quality products It is possible however that during its lifetime a product may require service Products should be serviced only by a qualified service technician who is familiar with the safety procedures required in the repair and who is equipped with the proper tools parts testing instruments and the appropriate service manual REVIEW ALL SERVICE INFORMATION IN THE APPROPRIATE SERVICE MANUAL BEFORE BEGINNING REPAIRS Important Notices for Consumers and Servicers 4 WARNING To avoid risk of serious injury or death repairs should not be attempted by an unauthorized personal dangerous conditions such as exposure to electrical shock may result 4 CAUTION Amana will not be responsible for any injury or property damage from improper service procedures If performing service on your own product assume responsibility for any personal injury or property damage which may result To locate an authorized servicer please consult your telephone book or the dealer from whom you purchased this product For further assistance please contact 1 800 628 5782 first if no answer contact the following number CONSUMER AFFAIRS DEPT OR 1 319 622 55110r 1 800 843 0304 AMANA APPLIANCES INC CALL and ask for AMANA IOWA 52204 Consumer Affairs If outside the United States contact AMANA ATTN CONSUMER AFFAIRS DEPT AMANA IOWA 52204 USA Telephone 319 622 5511 Facsimile 319 622 2180 TELEX 4330076 AMANA CABLE AMANA AMANA IOWA USA
47. ing reprogrammed exp pad number 1 Press POWER LEVEL pad if power level other than 10096 is desired Enter desired power level If 10096 power is desired proceed to step 6 Enter desired cook time Press Pause pad Press start Press reset pad or close oven door to exit programming mode OND Using PAUS Function Open door place food in oven Close oven door Press desired menu pad exp MENU1 Press desired number pad exp pad number 1 Oven starts Display counts down Oven stops halfway through the cook cycle oven displays PAUS and beeps 3 times ogseom c ITEM LI FH g LI E Open door and manipulate food Close door Option Progams All Models Except WDYRC 1 LI 1 Open oven door 2 Press 7 pad for five seconds RC Models f Hidden Ed Ce avann onere starus iiij 3 Press hidden enable pad NOTE Display will indicate option code Example OP 11 Press START pad to view active option codes Press STATUS pad to change option codes NOOR Press hidden enable pad to return to programming mode 8 Press RESET pad or close oven door Repeat steps 4 and 5 to change additional options ITEM LIT MENU1 Description Code font OP ee iia on Oon OPs End of e signal volume Cm Medium OP 41 User time limit Off OP 50 On OP 51 AS SHIPPED FROM FACTORY 15 RS2220001 Rev 2 WDYRC Operating In
48. ly To avoid the risk of electrical shock personal injury or death disconnect power to oven and discharge capacitors before following any disassembly procedure Bottom Magnetron 1 2 pco OND Remove outer case Disconnect wires from the magnetron thermal protectors and the magnetron Remove bottom magnetron air duct Remove middle baffle mounting screw and slide air baffle out of the way Place unit on its left side Remove bottom access panel Remove four magnetron mounting nuts Remove magnetron Installation OoahWND Install magnetron do not tighten nuts Install magnetron air baffle Tighten magnetron mounting nuts Reinstall middle air baffle Install bottom access cover Connect wiring to magnetron and magnetron thermal protectors When replacing the magnetron verify the wire mesh gasket is reinstalled Install outer case Magnetron and Control Thermal Protectors T 1 2 3 CO Remove outer case Remove wiring from selected thermal protector Remove 1 8 allen screw phillips screw used to mount thermal protectors Bottom Access Panel 1 2 Place oven on side or back Remove single bottom screw RS2220001 Rev 2 Bottom Stirrer Motor 1 2 3 4 Remove bottom access panel Remove antenna gear Disconnect brown motor wires from white and orange chassis wires Remove two mounting rivets and remove motor NOTE Do not remov
49. monia 3 Never pour water into oven bottom 4 Do not use water pressure type cleaning systems Discharge Air Vents There will be a slight buildup of cooking vapors along discharge louvers in back of oven on left side as viewed from the front Clean air vent with damp cloth Dry thoroughly Air Filter Air filter is located under oven directly below door 1 Remove air filter by turning thumb screws counterclockwise located on outside edges of filter 2 Wash filter with mild detergent diluted in warm water Rinse and dry thoroughly 3 Replace filter by reversing step 1 RS2220001 Rev 2 Splatter Shield Splatter shield keeps top of oven and antenna from getting dirty Remove soil from shield with damp cloth NOTE When removing and replacing splatter shield be careful not to bend antenna 1 Unplug oven before removing splatter shield to stop antenna from rotating 2 Remove shield by placing thumbs in front of shield Press firmly toward back and carefully lower front of shield away from antenna Pull shield forward out of back slots and out of oven 3 Wash shield in hot soapy water Rinse and dry thoroughly 4 Replace splatter shield by fitting tabs into slots at top of oven back Lift and press front of shield until shield snaps into place Important Do not wash splatter shield in dishwasher Do not use abrasive cleaners Replacing Oven Light Bulb To avoid electrical shock which can cause severe
50. monitor 600 cc glass beaker Procedure For Measuring Radiation Leakage Note before measuring Do not exceed meter full scale deflection Leak monitor should initially be set to the highest scale To prevent false readings the test probe should be held by the grip portion of the handle only The scan speed is equal to one inch per antenna revolution or one inch per second if antenna speed is unknown Areas to be checked are all door seal areas and any venting parts Leakage with the outer panel removed 4mW cm or less Leakage for fully assembled oven with door normally closed 4mW cm or less Leakage for a fully assembly oven before the latch switch primary is interrupted while pulling the door 4mW cm or less 1 Pour 275 15 cc 9 oz 1 2 oz of 20 5 C 68 9 F water in a beaker which is graduated to 600 cc and place the beaker in the center of oven 2 Setthe radiation monitor to 2450 MHz and use it following the manufacturer s recommended test procedure to assure correct results 3 While measuring the leakage always use the two inch 5 cm spacer supplied with the probe 4 Press the START pad or turn on the timer and with the magnetron oscillating measure the leakage by holding the probe perpendicular to the surface being measured RS2220001 Rev 2 Whenever you replace the magnetron measure for radiation leakage before the outer panel is installed and after all necessary components are
51. nect wires to switch With door open measure resistance from COM to N O Secondary COM to N O Primary COM to N C Monitor With door closed measure resistance from COM to N O Secondary COM to N O Primary COM to N C Monitor Disconnect wires to switch With door open measure resistance from Terminal 2to3 Secondary Terminal 4to 5 Primary Terminal 7 to 8 Monitor With door closed measure resistance from Terminal 2to3 Secondary Terminal 4to 5 Primary Terminal 7 to 8 Monitor 18 10 10 10 65 80 Q Infinite resistance should be indicated if not replace transformer Infinite Q Infinite Q Indicates continuity Indicates continuity Indicates continuity Infinite Q Infinite Q Infinite Q Indicates continuity Indicates continuity Indicates continuity Infinite Q Infinite Q Infinite Q Indicates continuity Indicates continuity Indicates continuity Infinite Q Component Testing Procedures 44 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires it White Red Yellow Orange J3 High voltage board J6 connections 1 White 2 Open 3 Red 4 Open 5 Yellow 6 Orange Low voltage boar
52. ng prong to be cut off or removed It is the personal responsibility of the consumer to contact a qualified electrician and have properly grounded three prong wall receptacle installed in accordance with appropriate electrical codes Servicing of Grounded Products The standard accepted color coding for grounding wires is GREEN or GREEN WITH YELLOW STRIPE These ground leads are NOT to be used as current carrying conductors It is extremely important that the technician replace any and all grounds prior to completion of the service call Under no condition should ground wire be left off causing a potential hazard to technicians and consumer Table of Contents Important Product Information cccceeeeeeeseeeees 2 Important Information sues isisisi aiaiai n 4 Important Safety Information c ceeesseeeeeeeeeeeeeees 5 Microwave Leakage Testing urrerrrrrrrrrreooooorrononnn 6 Ef 8 916012 eb m 6 Procedure For Measuring Radiation Leakage 6 Measurement With the Outer Panel Removed 6 Measurement With a Fully Assembled Oven 6 Record Keeping and Notification After Measurement 6 SDOCI ICaLIOTIS dtes ki ai tlt a Ren eere AS bf ik AA 7 Installation nicum 8 Care and Cleaning sssseeeeee 8 Replacing Oven Light Bulb ssssssse 8 Product Information Antennas Antenna Gears Antenna Motors 9 Autotransformer
53. on the P C Board circuit since static electric discharge may damage this control panel Always touch yourself to ground while working on this panel to discharge any static charge in your body 6 208 230 VAC is present in the high voltage circuit board terminals of power relay and primary circuit of low voltage transformer 7 When troubleshooting be cautious of possible electrical hazard Service Codes During operation the display may show the following service codes NOTE 1 Always unplug the oven for one minute Replug oven in and check for error codes 2 Check oven for proper operation 21 RS2220001 Rev 2 Display Diagnostics S1 Watchdog Membrane Touch Panel Watchdog circuit verifies touch panel entry Possible Causes 1 Shorted top touch panel 2 Shorted side touch panel ITEM MENU1 Testing 1 Disconnect power from oven 2 Disconnect one touch panel ribbon cable from the L V circuit board 3 Plug oven in open and close door to activate oven 4 Wait approximately 60 seconds If S1 does not appear in display replace the disconnected touch panel 5 If S1 re appears in display disconnect the other touch panel and repeat steps 3 and 4 HOT Magnetron Overheating HUT MENU1 ITEM When HOT is displayed the blower motor should be operating Possible Causes Restricted air filter High ambient temperature Oven operated empty or with light loads Open control TCO
54. personal injury or death unplug power cord or open circuit breaker to oven before replacing light bulb After replacing light bulb restore power Tools Needed Protective gloves Phillips screwdriver 40 watt 250 volt appliance bulb available at Amana Authorized Service Centers p n A0282802 4 amp 4 CAUTION To avoid personal injury or property damage observe the following 1 Allow light bulb to cool 2 Wear gloves when replacing light bulb 1 Remove screw from access cover on top left wall of oven exterior Remove access cover 2 Remove bulb To remove bulb turn it in the direction shown 3 Replace bulb 4 Replace access cover and screw by reversing procedure in step 1 Product Information Antennas Antenna Gears Antenna Motors Properly distributes microwave energy throughout the cavity Autotransformer This transformer provides step up voltage for the blower motor antenna motors and oven light Blower Fan Assembly Circulates cooling air throughout the machine compartment and cavity Power Relay The power relay is actuated by the digital timer The contacts on this relay complete one side of the power line to the high voltage power transformer Door Interlock and Monitoring Switch All Models Except RC27 and KFC1 When the line fuse is blown the Interlock Switch Module must be replaced Model RC27 and KFC1 When the line fuse is blown the Interlock Switch Assembly and
55. s Infinite resistance Note This test is not conclusive If oven does not heat and all other components test good replace the magnetron and re test Approximately 10 000 Q Approximately 34 Q Approximately 120 Q RS2220001 Rev 2 Component Testing Procedures 44 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires it Iustration Component Test Resuts e ea N e L t e N For larger illustration see page 33 in Disassembly Procedures RS2220001 Rev 2 Transformer Auto Transformer 230 Interlock switch Type 1 Door Open Dummy Pd Secondary o Pd Logic Primary QM A Monitor Interlock switch Type 2 Interlock switch Type 3 Door closed Discharge Capacitors Remove all wires from terminals Measure resistance from Terminal 230 HI to Com Terminal 208 LO to Com Terminal 5 to 6 Terminal 4 to Ground screw on transformer Terminal 4 to any other terminal Discharge Capacitors Remove all wires from terminals Measure resistance from 230 to 0 208 to 0 Disconnect wires to switch With door open measure resistance from Terminal 2 to terminal 3 Terminal 4 to terminal 5 Terminal 7 to terminal 8 With door closed measure resistance from Terminal 2 to terminal 3 Terminal 4 to terminal 5 Terminal 7 to terminal 8 Discon
56. s except WDYRC Top Keypad 565656 To test keypad for proper operation 1 Identify ribbon traces for selected keypad using chart 2 Resistance between selected traces Meus J o y 11 8 Adi s pan ANL Ste 3 8 C mwa S7 o 7 _ Ponera sta 9 TmeEmy s2 e 0 ohms J4 Place split in ribbon cable to 3 Pressing keypad the right as facing resistance between the front of the unit selected traces is S mmm a less than 60 ohms vi J2 a3 y 1 us A p Ribbon Cable L V Board Side Keyboard Ribbon E a 7J C C a a a J3 Place split in ribbon cable to To test keypad for proper the right as operation facing the front 5 1 Identify ribbon traces of the unit 2 for selected keypad 5 using chart 2 Resistance between s Dg Bi ki selected traces z J3 AS plit 0 ohms p i 3 Pressing keypad E Ja i Ribbon Cable resistance between selected traces is a less than 60 ohms L V Board Top Keypad J4 Place split in ribbon cable to the right as To test keypad for proper facing the front operation of the unit 1 Identify ribbon traces for selected keypad using chart 2 Resistance betw een selected traces 0 ohms 3 Pressing keypad resistance bet
57. sed No power applied to oven power cord Blown oven fuse check interlock switch module operation monitor test 5 to 10 Seconds Inoperative cavity thermal cut out Inoperative low voltage circuit board Inoperative high voltage circuit board Broken or improper wire connections Ovens with Extended Memory Board 5 to 10 Seconds 1 Inoperative interlock switch module contacts 4 amp 5 2 Inoperative high voltage circuit board 3 Inoperative extended memory board 4 Broken or improper wire connections Ovens without Extended Memory Board Refer to Display Diagnostics page 21 Proceed to Stand By Condition 27 RS2220001 Rev 2 Troubleshooting Stand By Condition MENU1 Open oven door J LL L LI LI Li MENU1 Yes No Oven light is on optional Yes Inoperative autotransformer e No Binding or inoperative antenna motor s Antenna motors operate Binding or inoperative blower motor Broken or improper wire connections Blower motor operates Yes Stand by Condition normal proceed to Cook Condition RS2220001 Rev 2 28 Troubleshooting Cook Condition 1 Inoperative interlock switch module 2 Broken or improper wire connections Note ITEM must be flashing or the door has to be opened and closed to reactivate a cook condition 1 Beep not programmed into oven 2 Inoperative touch panel 3 Pad not programmed
58. sembly NOTE If the set screws are removed the set screw with the flat end must be used in the bottom of the latch handle NOTE When replacing door handle tighten side set screw first Inner Door Ring Assembly Door The door ring assembly consists of the inner door ring 1 Remove latch handle l the inner door panel and latch assembly These 2 Remove outer door ring assembly from inner door components are available only as a complete assembly ring by removing 10 y drive screws Hinge 1 Remove outer case 2 Remove door latch handle 3 Remove outer door assembly 4 Remove nine hinge mounting screws from hinge five on front 4 on side NOTE Reinstall foam gasket on side of hinge when reinstalling NOTE When reinstalling outer door tighten screws in pattern as shown above 5 When reinstalling hinge mounting screws keep the side screws loose and the front screws tight close door press door against oven on the hinge side and Outer Door tighten side hinge mounting screws in the sequence shown below Outer Door Assembly The outer door assembly consists of the outer door outer window and lens retainer These components are available only as a complete assembly RS2220001 Rev 2 30 Disassembly To avoid the risk of electrical shock personal injury or death disconnect
59. ss testing requires power sit 208 230V 60Hz 3 WIRE N DS ANTENNA MOTOR BOTTOM COM ce o0 PEE Mi J6 6 ki f D J1 zi I 3 O OO O 3 HI VOLT BOARD ae 35e SNUBBER e MAGNETRON 2 TOP REAR RC22 P1107909M RC22MP P1107902M RC22MPS P1107906M 39 RS2220001 Rev 3 Wiring Diagrams and Schematics 44 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unless testing requires power N WBBER XN 3 SNUBBER 1 SNUBBER i Aa 83 RC22 P11079
60. structions O C LI O Oe n LI C Ce C Ce 2 GEL o o Venous BUN PITA WARMER Display Many items in display can be seen but will not glow C ITEM SJG QTY POWER e 3 58 8d B BH 8 ss ADD DEL P LMT MENU MENU2 MENU3 MENU4 LEVEL C i i i I Counts down heating time EOC Lights at end of heating cycle Remains in display until door End of Cycle is opened POWER Lights when microwave power is supplied to oven cavity D D Pads Description 1 BAG START START Begins heating cycle If START is pressed while heating cycle is paused new heating cycle begins 2 BAG PITA starr RESTART If door is opened and heating is paused RESTART pad resumes paused heating cycle D Pad Time Power Level 1 BAG 25 sec 100 4 DOZ START PITA BUN 2 BAG 50 sec 100 a PITA BU stant 30 sec 100 RESTART Connecting Power When unit is plugged in or powered after the loss of electricity it will take several seconds before dashes and menu indicator display Once displayed unit is operational Interrupting Operation Open oven door to interrupt operation Oven fan continues to operate Close door and press RESTART pad to resume oven operation Canceling Mistakes If oven door is open and time shows in display close oven door and press RESTART pad to resume heating cycle or a START to be
61. system may be operated independently for diagnostic purposes During this test the display will show a number usually between 8 and 24 for each H V system operating signifying some current draw of the unit This is not showing actual amperage but a current reference Accessing Service Test Mode 1 Open door and place 1000 ml water load in oven NOTE Perform the following 4 steps within 15 seconds or this procedure will be cancelled Press DELETE Press 1 3 5 7 Close door Press DELETE NOTE Pressing RESET at any time will cause the control to exit the Service Test aR oN Indicates Power Relays are closed for the Service Mode Test Current reference Indicates Voltage is Greater than 218 VAC Initial Display in Service Test Mode RS2220001 Rev 2 H V System Test When Service Test Mode has been accessed the H V system test must be started within 60 seconds to assure accurate test readings The door must be closed 1 Press pad 7 to activate H V System 1 The triac drive will be activated after a minimum of 100 milliseconds A 62 seconds full power cook cycle will begin for the selected H V system Amount of Time Current H V System Will Operate reference Li LO Er L H V System 1 H V System 3 H V System 2 Display with H V System 1 Activated Press pad 7 again to de activate H V System 1 Press pad 2 to activate H V System 2 Press pad 2 again to de ac
62. tivate H V System 2 Press pad 3to activate H V System 3 Press pad 3 again to de activate H V System 3 ooPRON Diagnosing Individual H V System Components If the service test indicates a non functional H V system proceed as follows 1 Identify the number of the H V system that is not functioning and the corresponding magnetron location MENU 1 Bottom magnetron MENU 2 Top rear magnetron MENU 3 Top front magnetron NOTE Component numbering in the wiring schematic diagrams may not match the numbering of MENU 1 MENU 2 or MENU 3 display indicators 2 Using the wiring diagram identify the location of components numbered the same as the non functioning magnetron H V components with the same number are part of the same H V system Service Test Multiple H V System Testing Two or three H V Systems may be tested together Below are display samples showing different combinations NOTE This is not showing actual amperage but a current reference Example If one H V System is showing a current reading of 15 then any two H V Systems may have a reading of about 30 and all three H V Systems may have a reading of about 45 Current reference readings will vary l QTY hc MENU1 MENU2 H V System 1 amp 2 H V System 1 amp 3 E H hc MENU1 MENU2 H V System 1 2 amp 3 MENU3 Door Cycles and Magnetron Hours Press TIME ENTRY pad once for door cycles NOTE
63. to move in or out 3 With door closed push forward on interlock assembly to engage door latch Then pull back on interlock assembly until door is snug against front oven cavity and tighten bottom screw 4 The door will remain latched when proper adjustment is made 33 capacitors before following any disassembly procedure Top Rear Magnetron 1 Removing outer case 2 Remove top right air baffle by removing mounting screw 3 Remove wires from thermal protectors and magnetron 4 Remove center air baffle by removing two mounting screws located in top of the oven do not attempt to remove air baffle at this time Remove four magnetron mounting nuts Remove magnetron and center air baffle When replacing the magnetron verify the wire mesh gasket is reinstalled NO oO NOTE When reinstalling magnetron slide left air baffle on magnetron before placing magnetron in place Top Front Magnetron 1 Remove outer case 2 Disconnect wire to thermal protectors and magnetron 3 Remove low voltage circuit board 4 Remove two left air baffle mounting screws do not attempt to remove air baffle at this time Remove four magnetron mounting screws Remove left air baffle and magnetron When replacing the magnetron verify the wire mesh gasket is reinstalled NO oO NOTE Be sure to slide left air baffle on magnetron before reinstalling the magnetron RS2220001 Rev 2 Disassemb
64. tron Interlock Switch Assembly Center Right Air Baffle Bottom Magnetron Control TCO Magnetron TCO Two Magnetron Model Side View IT ide Board Fan Blade Blower P Oven Relay Motor Diode rcc Capacitor Blower iode Capacitor Power Cord Capacitor Autotransformer Fuses Trangtoimer Transformer Transformer D EI 9 Triacs Three Magnetron Models Rear View Board Fan Blade Oven Relay p Capacitor Power Cord H d Capacitor Autotransformer Fuses Transformer Transformer NOU C Triacs Two Magnetron Models Rear View 37 RS2220001 Rev 2 Disassembly To avoid the risk of electrical shock personal injury or G WARNING death disconnect power to oven and discharge capacitors before following any disassembly procedure lese sonn coe e sooo enn a Wave Guide io ooe o Alternate Diode Location Antenna Motor Under Bracket Bottom View RS2220001 Rev 2 38 Wiring Diagrams and Schematics 44 WARNING To avoid risk of electrical shock personal injury or death disconnect power to oven and discharge capacitor before servicing unle
65. ven operates Display shows POWER when microwave energy is present If power level was programmed display shows COOK LEVEL Display counts down cooking time Oven stops and signals when timing sequence is finished Display shows EOC Open oven door and remove food 6 Operating Notes If door is opened oven energy ceases Blower continues to operate Close door and press START to continue oven operation and countdown timing If RESET is pressed once while oven is operating oven energy ceases but countdown time remains in display Press START to continue oven operation and countdown timing If RESET is pressed twice oven stops and current program cancels When unit is plugged in or repowered after the loss of electricity it will take several seconds before dashes and menu indicator display Once displayed unit is operational DQ amp MC Programming Instructions Programming Menu Items 1 Open oven door Display shows door closed or RESET is pressed before finishing programming sequence oven exits programming mode 2 Press and hold pad number 1 for five seconds After five seconds signal sounds P and active menu display 3 Press ADD to begin programming 4 Press desired menu pad to be preprogrammed if not displaying MENU indicator displays 5 Press two number pads to be programmed quantity and LIMIT indicators and the current quantity limit flash NOTE To change quantity limit
66. ver be operated with Any components removed and or bypassed Any of the safety interlocks are found to be defective Any of the seal surfaces are defective missing or damaged 12 To ensure that the unit does not emit excessive microwave leakage and to meet Department of Health and Human Services guidelines check oven for microwave leakage using Narda Model 8100 8200 Holaday HI1500 HI1501 or Simpson 380M leakage monitor as outlined in instructions on the following page The maximum leakage level allowed is 4mw cm 13 If servicer encounters an emission reading over 4mw cm the servicer is to cease repair and contact Amana Service Department immediately for further direction Amana Refrigeration Inc will contact the proper Government Agency upon verification of the test results RS2220001 Rev 2 Microwave Leakage Testing Check for radiation leakage after servicing Should the leakage be more than 4mW cm inform Amana Refrigeration Inc immediately After repairing or replacing any radiation safety device keep a written record for future reference as required by D H H S and HEW regulations This requirement must be strictly observed In addition the leakage reading must be recorded on the service repair ticket while in the customer s home Measurement With the Outer Panel Removed 44 DANGER Avoid contacting any high voltage components Equipment Electromagnetic radiation
67. w een selected traces is L V Board less than 40 ohms 4 Split Ribbon Cable Side Keypad J3 Place split in Switch Ribbon ribbon cable to Trace the right as si 9 facing the front of the unit To test keypad for proper o oc 94 operation a a 2 g 1 Identify ribbon traces lan J3 o o S5 for selected keypad 3 y5 9 1BAG J4 e IS s using chart EX Fe 2 Resistance betw een 2846 srant 4S 7 selected traces n 0 ohms L V Board o o lt S 8 see starr lq S 9 3 Pressing keypad resistance betw een selected traces is less than 40 ohms ton starr 9 10 Ribbon Cable s Split s 12 o ew S 11 RS2220001 Rev 2 20 Display Diagnostics 4 amp CAUTION All repairs as described in this troubleshooting guide section are to be performed only after the caution procedures one through seven listed below have been followed 1 Check grounding before checking for trouble 2 Be careful of the high voltage circuit 3 Discharge high voltage capacitor 4 When checking the continuity of the switches or the high voltage transformer disconnect one lead wire from these parts and then check continuity with the AC plug removed To do otherwise may result in a false reading or damage to your meter 5 Do not touch any parts of the circuitry

RC17 Service Manual

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