Samsung Refrigeration Training Support Revised 1/15/09
Contents
1. Below 60 degrees condenser fan 1s off Defrost Timing The warmer the room the more often the defrost KEKE K KE K KE K KE KE K E KE K E K K K K ok KK ok KK kk KK ok KK K K E KE K K K K K K K K K K K K K K K K K K K K K KK K K K K K K K K K kk K K K K Failures Any Sensor Failure will cause the display to come up with a fault code after a power interruption Some units will not start up when this happens others lock the display To start put in diagnostics mode Defrost If the sensor is bad it will shut off the defrost circuit in a few minutes or not start causing ice build up This sensor may also cause the unit to shut down totally at defrost it will restart after removing power and restarting unit Testing Check the DC voltage across both evap defrost sensors at the Main PCB with the compressor running They should read less than a tenth of a volt difference as they are both on the same refrigerant line They usually read around 3 7 VDC to 3 8 VDC after the compressor has been running for about 10 minutes with the doors closed Compartment Temp After checking for fault codes unplug unit and plug in after a few seconds The display will now show actual compartment temps Check the actual temps in the top of the compartment and compare to the display reading If you are within 2 or 3 degrees the sensors are good Ice Production Off value sensor will cause I M to harvest before water is frozen or delay harvest for an extended time2. 20 short circuit contact failure or missing sensor housing Cause is also a ROOM SENSOR temperature reading gt 122 or lt 58 F Freezer Compartment defrosting heater wire cut short circuit contact 21 failure missing sensor housing or defective temperature fuse bi metal Defrost on for over 80 minutes F DEFROSTING ERROR CF FAN ERROR This error indicates the CF Compartment Evap Fan is not spinning at the 4 Door correct RPM or the fan feedback line is open CR FAN ERROR This error indicates the CR Compartment Evap Fan is not spinning at the 4 Door correct RPM or the fan feedback line is open FRENCH DOOR ICE This error indicates the Ice Room Compartment Evap Fan is not spinning ROOM FAN ERROR at the correct RPM or the fan feedback line is open ICE PIPE HEATER ERROR Error is displayedwhen the ice maker fill pipe heater is open or shorted Uart ERROR This error is not applicable if the error is detected during diagnostic COMMUNICATION testing please ignore it LM ERROR icati ithin the Main PCB COMMUNICATION Communication error within the Main PC PM ERROR COMMUNICATION Communication between the Main PCB and Keypad Samsung Refrigerator Diagnostic Code Quick Guide Samsung Single Evaporator Refrigerator Diagnostic Code Quick Guide Fridge Room Sensor Error This can be an wire cut short circuit Fridge a Fridge Sensor save aes contact failure or missing sensor This can also be caused by a Mid
3. BULLETIN BULLETIN NUMBER ASC20071012001 BULLETIN DATE 12 OCT 2007 MODELS RF267AABP RF267AARS RF267AASH RF267AAWP AWIT SUBJECT No Ice Production Ice Not Available SYMPTOM 1 No or Low Ice Production 2 Ice Jamming 3 Clicking or Grinding noise from Ice Maker ASSY CAUSE When the ice tray dumps ice cubes to the ice bucket ice cubes jam between the ice tray and the liner The ice maker makes a loud noise and eventually stops working REPAIR Replace Ice Maker Service Kit Ice Maker and Main PCB ASSY ICE MAKER KIT PBA MAIN BEST Drawing Label color has been changed trom white to Red since 12th Oct 2007 Part Number DA81 01421A Description Ice Maker Service Kit NOTE If the service kit is not available Please order DA97 05422A Ice Maker ASSY and DA41 00413C Main PCB ASSY separately This information is published for experienced repair technicians only and is not intended for use by the public It does not contain warnings to advise non technical individuals of possible dangers in attempting to service a product Only experienced professional technicians should repair products powered by electricity Any attempt to service or repair the product or products dealt with in this information by anyone else could result in serious injury or death Information provided in this bulletin is subject to change or update without notice SERVICE BULLETIN BULLETIN NUMBER BULLETINDATE MODE
4. Cool Zone Drawer No poor temp control Ambient Sensor This will fail in the safe mode causing the main PCB to think the room is hot Short time between defrosts fans at high speed and slower ice production How to Check Sensor Resistances Accurately Make ice slurry To do this fill a cup with ice preferably crushed then add water and a teaspoon of salt to make a slush Mix thoroughly and allow to sit for 2 to 3 minutes This will give you a 32 F reference Now lower the sensor into the mixture and leave for about 1 minute then check the resistance It should be very close to 13 300 ohms Before reinstalling the sensor be sure to rinse it with fresh water and dry it Samsung Sensor Temperature Resistance V oltage Chart Ga ee kQ V CF CC k9 V CF CC Aki V 158 9 196 3 31 176 8 187 3 26 212 6 172 316 320 0 133 2 85 428 6 104 255 464 8 96 245 482 9 92 240 68 14 245 3 55 62 6 86 13 234 3 50 120 2 49 221 0 90 NA S S ee DEFROST ISSUES FRIDGE amp FREEZER NOTE Evaporator Covers May Break If Removed While Frozen To Coil They must be replaced if there is any damage this will cause ice to form at top or bottom of the evap coil or in the drains Frozen Evaporator Ask Consumer if there has been water on the bottom of the Fridge compartment or ice on the bottom of the Freezer compartment Yes Check for frozen drain and or open drain he
5. JA Remove panel to access I M wire harness To Remove Panel Insert Small Screwdriver in Square Hole at Bottom Right Corner Push Screwdriver to Left To Release Tab Push tab to remove Freezer Drawer Fridge Door reed switch Magnet RFG295 297 Cover Display Disassembly Insert a flat blade screwdriver into slotted area as shown in photo right After inserting the screwdriver into the slotted area place one hand underneath the panel while twisting the screw driver CCW pull the panel out toward the front until the right side pops out Once the right side pops out the panel is easily removed DO NOT try and pry the panel out by pushing or pulling the screwdriver This will only damage the slotted area gudate po Once the display panel has been removed 99 BB qo disengage the housing connections of display cover Remove 3 screws of cover display and remove display panel PCB ew HY e amp RFG295 297 Cover Display re assembly Side clips When assembling cover display first insert the rear of the panel until you hear the side clips click into place Than press the left side and top you will than hear the left side lock once that happens push in the right side and the display panel in locked in place Push the right side last DO NOT reassemble the display panel by pushing straight back and than up The side clips will damage the side walls as shown in the right side photo RSG ice maker
6. Pin 3 Red to CN75 Pin 1 Gray Freezer Room Sensor on RFG CN30 Pin 3 Red to CN76 Pin 1 Gray Ice Maker Eject Sensor on ALL Models CN90 Pin 4 White to Pin 8 Sky Blue Ice Room Fan on RF267 amp RF26V CN76 Pin 1 Black to CN75 Pin 1 Gray Ice Room Fan on RFG CN76 Pin 2 Black to Pin 1 Gray DC FAN MOTORS Brushless DC Fan motors are used to save energy The fans operate at two speeds High when the ambient temperature is high and Low when the temperature is low Generally it is operated in the High mode during a day time and in the Low mode at night This circuit design is to protect the Main PCB from a failed fan motor Fan speed information is read by the Main PCB If the fan speed exceeds 600 RPM or the speed is too slow or stopped the fan drive circuit is disabled After 10 seconds the circuit tries again with 3 seconds of DC voltage If the fan continues this activity for 5 cycles 10 seconds off 3 seconds on the fan drive circuit is disabled for 10 minutes TO TEST THE FAN CIRCUIT VOLTAGE Power off for 15 seconds power on to check the DC voltage to the motor wait from 10 to 60 seconds for the fan voltage to kick in and then check fan voltage the average reading is 9 VDC If you get 3 seconds of voltage every 10 seconds for the 5 fan power up cycles then the Main PCB is good NOTE You may need to put unit in FORCED FREEZE mode to activate the fans compressor If the fan blade is blocked by ice t
7. RS2623BB RS2623SH RS2623SL RS2623VQ RS2623WW RS2624S W RS2624W W RS2625SL RS2630SH RS2630S W RS2630W W RS2631SL RS2640SW RS2644SL RS2644SW RS265SLABB RS265LABP RS265LASH RS265LAWW RS2666SL RS2666S W RS267LABB RS267LABP SH RS267LABP RS267LASH RS267LAWW RS269LARS SUBJECT Ice buildup in the freezer Problem Case 1 Ice formation on cover area or Ice formation in fan motor area Ice Formation on the Cover Ice Formation on the Cover Repair Replace the Assembly Cover for the Evaporator with the improved Evaporator Assembly Cover and install the new part CAP Screw The cover assembly thickness and insulation have been improved The improved cover assembly has increased EPS insulation and is designed to prevent ice formation on the panel and cover assembly ASSY COVER MULTI FRE ASSY COVER SUPT CAP SCREW MOTOR FRE sul Thickness 11m gt 19mm Thickness 10m gt 20mm NEW PART Part Number Ass y Cover Multi FRE DA9 02045B Ass y Cover SUPT Motor FRE DA9 02055B DA67 01414A Repair Kit for Serial Number range up to 43CL3 up to 42BL3 Units manufactured before April of 2006 For all above models Inspect for air leaks Door Seal Ice Chute I M Fill Tube Liner cracks around behind evap coil Air leak around defrost drain hose at evap coil Excessive door openings or doors left open for long periods Please use only in the listed Models Other Models use a different Main PCB SERVICE
8. have a label attached on display So if cooling off is performed and the label is detached No one knows about this function 1 When door is open internal Lights are on but no cool 1 In this mode Display and fan motor operate normally except compressor 2 No Defrosting cycle is performed RF265 RF266 RF267 RS263B RS265B RS267B RS265L RS267L RS269L RS2630 RS2530B RS2544 RS2545 Press Power Freeze amp Freezer temp buttons simultaneously for 3 sec Press Energy Saving amp Freezer temp buttons simultaneously for 3 sec Press Power Freeze amp Freezer temp buttons simultaneously for 3 sec Press Power Freeze amp Freezer temp buttons simultaneously for 5 sec Press Ice mode amp Freezer Keys simultaneously for 8 sec Press Power Freeze amp Freezer temp buttons simultaneously for 3 sec Press Artic Select Zone amp Freezer Keys simultaneously for 8 sec Press Power Freeze amp Freezer temp buttons simultaneously for 8 sec Even though power off and on again it remains exhibition mode Even though power off and on again it remains exhibition mode Even though power off and on again it remains exhibition mode In case of Power off it will be dismissed In case of Power off it will be dismissed Even though power off and on again it remains exhibition mode In case of Power off it will be dismissed In case of Power off it wi
9. in door Ice bucket ass y is removed Ice Maker Cover Pull by pulling the locks on ah out on bottom of cover sides of the bin and lift up Remove I M Auger Ass y Ice bucket reed switch Ice Off LED flashes if bucket is not in place RSG Accessing Ice maker Auger Reed Switch Wiring harnesses are behind ass y Squeeze in at this point and pull out on auger ice maker ass y on the left side Auger ice maker ass y has plastic that locks into the two pieces on the door liner Samsung Electronics America Inc Date 30 May 2007 Room Area Recommended BTU Model Dimension Weight Electrical Requirements 10 x 15 5 050 BTU AWO5NCM7 XAA as 150 Sq ft DIMENSIONS 16 75 x 12 2 x 13 5 parallel type WEIGHT 37 7 lbs 9 7 EER AD Mechanical 10 x 20 6 000 Btu AWO6NCM7 XAA te AM oi 200 sq ft DIMENSIONS 16 75 x 12 2 x 13 5 parallel type WEIGHT 39 6 Ibs 9 7 EER 11 Mechanical 10 x 20 6 000 Btu AWO6ECB7 XAA 115V 200 sq ft DIMENSIONS 19 3 x 12 6 x 18 1 Jaan hoe WEIGHT 47 4 Ibs 10 7 EER 11 Electronic Remote Control 16 17 x 20 7 500 8 000 AWOSECB7 XAA 115V 300 340 Btu DIMENSIONS 19 6 x 14 x 18 1 paralel type sq ft WEIGHT 56 5 Ibs 10 8 EER Electronic Remote Control 18 x 25 10 500 Btu AW10ECB7 XAA Wie 450 sq ft DIMENSIONS 22 x 15 5 x 22 parallel type WEIGHT 75 6 Ibs 10 8 EER 11 Electronic Remote Control 22 x 25 12 300 B
10. to 32 degrees to supply the ice room or block the air duct completely to the ice room Make sure the Freezer defrost heater is working properly and the freezer and ice room compartments are sealed properly The consumer complaint could be it only makes ice once or twice a day The Ice maker will harvest within a few hours of the freezer defrost cycle when the evaporator is frost free As the frost builds up on the evaporator again the ice maker will stop as the temperature is too warm Ice making will stop until the next defrost cycle completes which will be 12 to 23 hours later This is a defrost error not an icemaker error Check the freezer door seal ice room door seal and the freezer defrost heater Is the Ice Bucket locked firmly in position Try to move the bucket when locked in place any movement would mean that one of the locks is not latched This will cause warm fridge air to enter the ice room and stop ice production Temperature checks Actual These values are approximate The Back of Ice Room should measure 0 to 6 degrees when making ice The Back of Freezer compartment should measure 4 to 3 degrees Voltage tests The Ice Room Sensor voltage should match the actual ice room temperature refer to the sensor voltage temperature chart in the service manual The Freezer Sensor voltage should match freezer temp and also be close to the actual ice room temperature refer to the sensor voltage temperature chart in the serv
11. LS RM25 SUBJECT Excessive cooling NOTE If Evap coil is frosted frozen check Defrost Sensor it will also cause this symptom SYMPTOM There could be water condensation on sensor housing connector of arctic zone when customer switch freeze mode to cool mode frequently In this case the MICOM recognizes the temp of Arctic Zone is higher than actual temp and excessive cooling occurs Note If it is manufactured before March 2007 please follow below solution REPAIR Replace sensor and sealing the connector with insulation tape Sensor Temp R DA32 00011C PROCEDURE DA32 00011C Replace sensor Seal the connector Note Consult the Samsung Service Website at service samsungportal com for the Service Manual and other information on this product This information is published for experienced repair technicians only and is not intended for use by the public It does not contain warnings to advise non technical individuals of possible dangers in attempting to service a product Only experienced professional technicians should repair products powered by electricity Any attempt to service or repair the product or products dealt with in this information by anyone else could result in serious injury or death Information provided in this bulletin is subject to change or update without notice Door shims Accessory Package ASSY PACKING SUB DOOR SHIMS RF Series French Door Fridge S is A
12. OST 1 Peripheral Temp Sensor Freezer Defrost Freezer Sensor Mid No 1 temperature reading gt 150 or lt 58 F Fridge Compartment defrosting heater wire cut short circuit contact failure missing sensor housing or defective temperature fuse bi metal This can also be caused by a temperature reading gt 150 or lt 58 F Ambient Temp Sensor Error This can be an wire cut short circuit Fridge SENSOR R ROOM i Peripheral Temp Freezer Sensor E5 contact failure or missing sensor This can also be caused by a temperature reading gt 150 or lt 58 F Freezer Freezer Compartment Sensor Error This can be a wire cut short F SENSOR a l sai F5 circuit contact failure or missing sensor This can also be caused by a Freezer Compartment defrosting heater wire cut short circuit contact failure missing sensor housing or defective temperature fuse bi metal This can also be caused by a temperature reading gt 150 or lt 58 F Freezer gt d5 F DEF SENSOR No Cool New Purchase Unit in Sales Exhibition Mode 1 Exhibition Mode which is also called Cooling off is only for sales floor use These display models are being sold to customers without being removed from this mode The consumer will complain of a No Cool because of this mode 2 There is no information about Cooling off mode in Owners manual Since it is not for users but some models
13. Samsung Refrigeration Training Support Revised 1 15 09 Page Index Pages 2 4 Fault Codes Pages 5 6 Sales Mode Information Pages 7 8 Sensor Functions and Temperature Voltage Resistance Chart Pages 9 11 Defrost Information Pages 12 18 Ice Production and Water Issues Page 19 DC Fan Motor Operation Pages 20 23 Service Bulletins Page 24 Door Shims French Door Pages 25 27 RF amp RFG Dispenser Removal Pages 28 29 RSG Ice Maker in Door Removal Page 30 Aiur Conditioner Room Size to BTU Chart R SENSOR SENSOR OF R ROOM R FAN ERROR I M FUNCTION ERROR COOL SELECT ZONE SENSOR R DEFROSTING ERROR PANTRY DAMPER HEATER ERROR SENSOR OF CR ROOM 4 Door SENSOR OF CF ROOM 4 Door CR DEFROSTING ERROR 4 Door CF DEFROSTING ERROR 4 Door WATER HEATER ERROR Samsung Refrigerator Diagnostic Code Quick Guide TROUBLE Ice Maker Sensor Error This can be an Electric wire cut short circuit contact failure or missing sensor This can also be caused by a temperature reading gt 122 or lt 58 F Refrigerator Compartment Sensor Error This can be an Electric wire cut short circuit contact failure or missing sensor Cause is also a temperature reading gt 122 or lt 58 F Ref Defrost Sensor Error This can be an Electric wire cut short circuit contact failure or missing sensor Cause is also a temperature reading gt 122 or lt 58 F This error indicates the Refrigerator Evap Fan i
14. When the unit is making ice and the ice bucket is not full the freezer will be in continuous Power Freeze This can create very cold temps in the freezer compartment down to 12 Also if there is no water hooked up to the ice maker it will try to make ice and never fill the bucket This is normal operation Some models after 2007 will not do this To turn off the icemaker on Samsung Refrigerators use the Ice Off button on the front display panel Always turn off the ice function if water is not hooked up to the unit No water from Dispenser NOTE Filter or bypass must be in place Disconnect water line from door push water dispenser If you have water check for a frozen line in the door replace door No water check for frozen water tank If frozen check water tank heater Evaporator Cover and or check for defrost problem ice build up could freeze the tank If the tank 1s OK check the output of the water valve Water Valve If low or no output check input before replacing Remove the water filter then remove the input line to the water valve put the line in a bucket and install filter then check water flow if good replace valve If you still have poor water flow check house supply if that s good then replace filter Water leaks on the floor You first have to determine if it s from the defrost system or water dispensing plumbing To check defrost system you must put water into the defrost heater drain in each compartment and check fo
15. and inhibit the ice falling from the tray during the twisting If this is the case replace the tray assembly Strangely enough it is possible to get ice too cold Ice that is too cold will shatter during harvest This can be from the 1 sensor not reading the correct temp 2 the sensor not mounted correctly 3 by programming the icemaker offset value to a lower number 4 the board not understanding the reading To check the sensor you must check the tray temp not air temp and compare it to the sensor reading The sensor should read 3 7 volts at the main board connector when the cube temperature is 5 degrees After the fill the sensor will read water temp 1 5 to 2 2 volts To clear offsets put unit into Diagnostics mode Please note some shattering is normal for a flex tray icemaker Ice Production and Water issues Overfilling the Ice tray This can be caused by installing the refrigerator on a non level floor Usually the door will not auto close properly as well Another issue that causes this is the fill valve not shutting off This can be foreign matter in the valve or insufficient water pressure Check the Ice tray for defects in the plastic Impurities or hard water can cause the plastic to become rough and inhibit the ice falling from the tray during the twisting leaving some cubes causing an over fill If this is the case replace the tray assembly This can also be caused by a crack in the icemaker support on some models which will p
16. ater Ice Frost on Evaporator While checking Main PCB always check both Freezer amp Fridge components Testing Use Safety Pin to prevent connector damage per following picture Check the DC voltage across both evaporator defrost sensors at the Main PCB with the compressor running They should read less than a tenth of a volt difference as they are both on the same refrigerant line They usually read around 3 7 VDC to 3 8 VDC after the compressor has been running for about 10 minutes with the doors closed You may find one reading about 20 to 50 degrees off lower VDC higher temp if so replace it Note A defective sensor may check OK at room temperature test at operating temperature only JETESE JT Jos 3 N KI a Sz y 4 A 4ODO 9 S 3 War 6 gt mn heal gt gt gt gt te gt n IE l N NA AG an A GG e Ke 2 a we Defrost AC voltage tests Note The Defrost Sensors are in the circuit during forced defrost 1f compartment is over sensor cutout temp Forced Defrost will cut off within about 2 minutes Plug in CN70 Plug in unit Force Defrost per instructions Check heater circuit voltage at the Main PCB look for 120 VAC for Freezer and Fridge Freezer See circuit diagrams usually Orange to Brown on CN70 Fridge See circuit diagrams usually Orange to White on CN70 No AC Voltage Change Main PCB Defrost Resistance tests Freezer Unplug unit Remove defrost conne
17. ber always discard the first bucket of ice Key Point y The FDR ice making process drops the cubes into the same area making a pile under the ice maker The Ice Level sensor sees the pile of ice and stops production During the first 24 36 hours or after emptying the ice bucket if you do not follow the procedure below the ice maker remains off Dispensing the ice will cause the auger to evenly distribute the ice cubes This is key to achieving normal ice production on a French Door Refrigerator Procedure to Initialize the Ice Maker To maximize ice cube production follow these steps Make sure the water line is connected and the water valve is fully open 1 Allow the refrigerator to cool for 24 hours before dispensing ice for the first time Ice is accumulated under the ice maker as in on the next page If not allow 6 hours more then dispense a few cubes of ice This causes the auger in the ice bucket to distribute the cubes evenly in the ice bucket as in The ice maker then detects a low ice condition and resumes making ice After an additional 6 hours cubes will accumulate in the rear of the icemaker as in Figure 3 Dispense a few more cubes of ice again This causes the auger in the ice bucket to distribute the cubes evenly in the ice bucket as in Figure 4 below From this point on ice cubes will be evenly dispersed within the ice bucket Ice production will start whenever the icemaker senses a low ice co
18. ctor from PCB Check heater circuit resistance at the Main PCB connector look for 35 50 Ohms average See circuit diagrams usually Orange to Brown on CN70 Fridge Unplug unit Remove defrost connector from PCB Check heater circuit resistance at the Main PCB connector look for 60 95 Ohms average See circuit diagrams usually Orange to White on CN70 If resistance is around 2600 ohms Thermo Fuse Bimetal is good Defrost heater is open Open Circuit Check Thermal Fuse Heater and Connectors Fast Defrost Check Force defrost on both Amp probe on Freezer wire about 2 2 amps see circuit diagrams usually Brown on CN70 Amp probe on Fridge wire about 1 2 amp see circuit diagrams usually White on CN70 No Low amp reading do resistance voltage tests above RM255 amp RM257 Heater Resistance Readings Readings at CN70 Black to CN72 Orange Fresh Zone Defrost Heater 160 ohms Yellow to CN72 Orange Arctic Zone Defrost Heater 131 ohms White to CN72 Orange Refrigerator Defrost Drain Heater 152 ohms Brown to CN72 Orange Freezer Defrost Drain Heater 64 ohms Reading at CN76 White to Sky Blue Water Tank Heater 49 ohms Orange to Black Fill Tube Heater 29 ohms Reading at Arctic Zone back wall connector Freezer Defrost Drain Heater 2600 ohms Reading at Fresh Zone back wall connector Refrigerator Defrost Drain Heater 2600 ohms RF26 Heater Resistance Readings Readings at CN70 Yellow to CN71 Orange French Heater on Left Fridg
19. e Door 1356 ohms White to CN71 Orange Refrigerator Defrost Heater 110 ohms Brown to CN71 Orange Freezer Defrost Heater 55 ohms Reading at Ice Pipe Heater in Freezer Compartment Ice Maker Fill Tube heater1336 Ohms Frost and Ice Buildup Ice build up in either the freezer or refrigerator compartment can be caused by a blocked drain It is possible that the drain is not being defrosted by the heaters enough to properly clear the drain and pass the melted water into the catch pan Other Symptoms Noise from the refrigerator or freezer fan or weak cooling Noise disappears when the customer opens door The defrost sensor heater thermal fuse bimetal device are OK but ice is built up in the drain hole of evaporator cover Explanation The heat from the defrost heater does not transfer heat to the drain hole through the evaporator cover The Styrofoam around the fan absorbs moisture and frost begins to form on the evaporator During the defrost cycle the frost melts and drips down to the drain where it becomes frozen again Ice blockage in the drain grows larger with every defrost cycle Because of the growing ice block cooling efficiency diminishes at a growing rate and eventually blocks the fan blades Self diagnostics will eventually show a fan error Solution a is dg SS SE a e e HM Metal clips A and C can be placed on both the evaporator cover and the evaporator The metal clips will t
20. e bi metal Defrost on for over 80 minutes CF Compartment defrosting heater wire cut short circuit contact failure missing sensor housing or defective temperature fuse bi metal Defrost on for over 80 minutes Error is displayed when the water reservoir tank heater is open or shorted Samsung Refrigerator Diagnostic Code Quick Guide Ambient Temp Sensor Error This can be an Electric wire cut short EXT SENSOR circuit contact failure or missing sensor This can also be caused by a temperature reading gt 122 or lt 58 F Freezer Compartment Sensor Error This can be an wire cut short F SENSOR circuit contact failure or missing sensor This can also be caused by a temperature reading gt 122 or lt 58 F Freezer Room Defrost Sensor Error This can be a wire cut short circuit F DEF SENSOR contact failure or missing sensor This can also be caused by a temperature reading gt 122 or lt 58 F This error indicates the Freezer Evap Fan is not spinning at the correct PEKAN ANA RPM or the fan feedback line is open C FAN ERROR This error indicates me eoudenscr Fan is not spinning at the correct RPM or the fan feedback line is open CF Room Sensor Error This can be a wire cut short circuit contact CF SENSOR 4 Door failure or missing sensor housing This can also be caused by a temperature reading gt 122 or lt 58 F FRENCH DOOR ICE Ice Poon a Sensor WETON This can be an Electric Ware cut
21. hen defrost and check the motor again after removing power from the unit If the evap is ice blocked and thus blocking the air flow the fan will over RPM and is stopped Remove ice and check the motor again If everything is clear around the fan blade then the motor would be at fault Continuous fan errors will be displayed on the front panel display PLEASE NOTE The door switches control the evap fan motors Have them closed to test the motors An intermittent evap fan door switch could cause an intermittent no cool condition Thermo Fuse Failures Thermal Fuse replaced with Bimetal element in Both sections RB amp RO kik CRITICAL Always Replace Defrost Sensor When Thermo Fuse Fails DA47 10160H Water Dripping from Water Dispenser on French Door Models The main cause for water dispensers dripping are attributed to air getting into the water supply system Some of the reasons for this are Loose plumbing connections Loose water valve connection Bad coupling tube connection Especially after door removal replacement Loose water line connection lf the water lines and plumbing are checked and tightened properly a possible cure to this problem ts to replace the water tube connection at the hinge with the new one that contains a check valve Water tube Water tube coupling coupling with check valve DA62 20111B DA62 01628A Ice Frost Build Up on Evaporator Cover Evaporator Coil Clear RS2621SW RS2622SW
22. ice manual If the bucket is full the Ice Room temperature should be around 24 degrees The Freezer Defrost Sensor Voltage should be 0 to 17 degrees 3 7 4 1v with the compressor running to show no frost ice buildup and good operating system refer to the sensor voltage temperature chart The Ejecting Thermistor should not measure below 17 degrees unless the bucket is full as it should harvest at 18 degrees If Ejecting Thermistor measures actual ice room temperature and the bucket is not full it would mean that the I M is not harvesting If there has been a recent harvest the thermistor might measure up to 50 degrees 2 35V as the mold heater and fresh water has warmed the sensor If any of the sensors measure incorrectly replace the defective sensor The Ice Room Fan should read around 7 to 9 VDC when it is running Be sure to defeat the door open switch when testing the fans You can force the fan to turn on by putting unit in Forced Freeze mode lf the I M Thermistor reads below 18 degrees 3 2V after 38 minutes and there is no harvest replace the main PCB Test Points Ice Room Sensor on RF267 amp RF26V CN32 Pin 3 Orange to CN75 Pin 1 Gray Ice Room Sensor on RFG CN31 Pin 3 Orange to CN76 Pin 1 Gray Freezer Defrost Sensor on RF267 amp RF26V CN30 Pin 4 Orange to CN75 Pin 1 Gray Freezer Defrost Sensor on RFG CN30 Pin 4 Orange to CN76 Pin 1 Gray Freezer Room Sensor on RF267 amp RF26V CN30
23. ll be dismissed Display OF OF Display OF OF Display OF OF No Change Display setting temp No Change Display setting temp Cooling OFF LED Turned on No Change Display setting temp No Change Display setting temp When pressing any button It will display setting temp for 5 sec When pressing any button It will display setting temp for 5 sec When pressing any button It will display setting temp for 5 sec When pressing any button It will display setting temp for 5 sec When pressing any button It will display setting temp for 5 sec When pressing any button It will display setting temp for 5 sec Sensors Control Everything Do Not Change A Sensor Without Testing It First Test By DC Voltage only at the Main PCB with power on Remove sensor from unit to Resistance test Use the Temperature Resistance DC Voltage Chart on the following page to test Functions Defrost The sensor shuts off heater At 50 in Freezer 63 in Fridge Compartment Temp The sensor controls fan compressor on off to maintain temp Ice Production harvests when the I M sensor reads 1 5 degrees for 5 minutes Flex Tray Only If the door is opened during that 5 minutes harvest is delayed Cool Zone Drawer Temp control by a sensor that opens or closes an air damper to allow cool air into the drawer a heater is built in to the damper to prevent frost Ambient Sensor Fan Speeds
24. ndition Figure 1 Ice accumulates MiSs ieee dispensing a IOW cubes of ice the auger will disburse under the ice maker the ice evenly Note 1 For additional ice empty the full ice bucket into another container The ice maker will sense a low ice condition and produce more ice Note 2 For your refrigerator to dispense ice you must have e The refrigerator doors closed e The ice maker selector on Cubed or Crushed Slow Ice Production Heat Release I M Models RF267 RF26V RFG Normal Ice Production after first day is 50 to 90 cubes in 24 hours Ice production 38 minutes after the water fill is complete the control board will check the temperature of the eject Thermistor if the Thermistor reads a temperature lower than 18 5 degrees for more than 5 seconds then the ice production process is completed The Ice maker will harvest if the ice bucket is not full Test Mode Press and hold the ICE TEST S W for at least 1 5sec the harvest function will start If the ice maker Thermistor is below 0 degrees the Ice maker heater turns on for an about 2 minutes If the temperature exceeds 0 degrees Ice maker heater turns on for 30 seconds After the Ice maker heater turns on for 30 seconds the heater turns off and then Ice maker harvest motor turns on Troubleshooting Observations Is there any frost in the freezer compartment Excessive frost on the evaporator coil will either coat the coil enough to warm the air
25. o O O temperature reading gt 149 or lt 58 F Ambient Temp Sensor Error This can be a wire cut short circuit contact failure or missing sensor This can also be caused by a temperature reading gt 149 or lt 58 F Freezer Room Sensor Error This can be an wire cut short circuit Freezer a Freezer Sensor 7 f contact failure or missing sensor This can also be caused by a Max o o temperature reading gt 149 or lt 58 F Freezer Room Defrost Sensor Error This can be a wire cut short circuit contact failure or missing sensor This can also be caused by a temperature reading gt 149 or lt 58 F Freezer Room defrosting heater wire cut short circuit contact failure Freezer Defrost Freezer o R l ra missing sensor housing or defective temperature fuse bi metal Defrost Error Min on for over 90 minutes I M Function No Ice This error indicates the Ice tray has not returned to level after an ice Error harvest The error is displayed after three failed attempts Ice Maker Sensor Error This can be a wire cut short circuit contact I M Sensor Error Cubed Ice failure or missing sensor This can also be caused by a temperature reading gt 149 or lt 58 F Samsung Older RB Series Refrigerator Diagnostic Code Quick Guide Fridge Fridge Compartment Sensor Error This can be a wire cut short R SENSOR a 5 circuit contact failure or missing sensor This can also be caused by a DEFR
26. ouch and transfer heat more efficiently from the defrost heaters to the drain preventing ice build up Part numbers for these parts are as follows A DA61 03502A _PLATE DRAIN INS EVAP REF C DA61 03585A_ _FIXER EVAP REF Ice Production and Water issues No Ice Production Flex Tray For the ice maker to operate properly water pressure between 20 and 125 psi is required A quick test of water pressure would be filling a 6 oz paper cup in less than 10 seconds If the internal water filter is clogged the water pressure to the icemaker will be reduced The foreign matter at the water supply valve near the icemaker can also reduce the water pressure Additionally low water pressure at the fill tube can be caused by a defective fill tube heater If the tray seems to be filling completely but the unit never harvests verify the operation of the Icemaker sensor in the tray Normally the unit harvests when the sensor reads approximately 1 5 degrees Fahrenheit for 5 minutes The sensor should read 3 7 volts at the main board connector when the cube temperature is 1 5 degrees After the fill the sensor will read water temp 1 5 to 2 2 volts Remember using frame ground might produce inaccurate values instead use the DC ground on the PC board If this value is incorrect the sensor is suspected to be defective You can also verify the operation of the harvest motor by pressing the black test unit on the motor housing near the back of the assembly Sl
27. ow Ice production Flex Tray This problem is usually caused by a defective sensor or low water pressure Use the procedure described above to test the sensor operation The I M sensor will delay the time by adding extra fills if the water pressure is low Also check the operation of the freezer if the freezer temperature is above 1 5 degrees ice production will be delayed This can also be caused by a problem with the freezer air vent make sure the air duct near the ice maker is not restricted Look for frost in the ice maker and ice bucket area if any is found there could be an air leak through the ice chute flapper If the unit is on an R O water system water pressure may be to low for consistent ice production Finally make sure the most updated version of Ice maker kit has been installed The ice maker designs in many models have been updated for better performance Check GSPN for any related service bulletins regarding Ice maker changes Shattered Ice Flex Tray When all ice shatters it s because of a bad tray or harvesting at a temp that is too cold lower than 5 degrees in some areas there are water issues that can also cause shattered cubes The temp in the freezer should not have any effect on this issue as long as it s below 1 5 degrees as a properly installed sensor will not read the freezer temp only the water ice temp Check the Ice tray for defects in the plastic Impurities or hard water can cause the plastic to become rough
28. r any leaks after each test To check the cube water fill system do a test harvest of the ice maker two or three times and look for any leaks Fill two or three glasses from the door dispenser and check for any leaks Water dispenser leaks at fountain Check output of dispenser water valve for any leakage if leaking check for low water pressure or a bad valve If it is not leaking the water line fitting at the door hinge may be letting air in check this fitting The water in the dispenser tank may have air in it it will slowly bubble out and force water out the dispenser in the door creating drips and consumer complaints Every time the consumer uses the dispenser there is more air water put into the tank and it keeps dripping This is from well water or city water systems that force air into the water See Bulletin on following page Samsung French Door Refrigerator Ice Making Characteristics IMPORTANT Procedure required to initialize a new French Door Refrigerator or whenever the ice bucket is emptied French Door Refrigerator FDR designs require a compact designed ice maker therefore initial setup of the ice maker is critical to sufficient ice production Samsung FDR uses a solid blade auger to allow smooth transport of ice cubes Ice buildup will occur if the ice is not dispensed during the initial setup or when the ice bucket is fully emptied Instruct the customer to follow the procedure below for proper initialization Remem
29. revent the cube harvest and may allow more water to be dumped over the existing cubes Bulletin ASC20041012002 Ice Harvest Failure RS2533SW XAA RS2544SL XAA RS2555SL XAA RS2555SW XAA RS2577SL XAA RS2577S W XAA SUBJECT Icemaker support change SYMPTOM Icemaker support is broken REPAIR A new design has been implemented to strengthen the icemaker assembly Additional X A ribs have been added and the mounting tabs have been reinforced Part Used Ice Maker Support Overfilling the Ice Bucket If the bucket overfills do a test harvest and put your hand under the full bucket sensor arm to simulate a full bucket If it still completes the harvest replace the ice maker ass y Ice Maker not harvesting or stalling during harvest test and operation At the main PCB connector CN90 check motor voltage at pins 1 amp 2 red amp black wires it should be about 10vdc when you activate the test by shorting pins 5 amp 8 gray amp sky blue wires You will read a 10vdc at the start of the flex when the tray reaches max flex the voltage switches to 10vdc If you don t have the 10vdc replace the Main PCB if voltage is proper replace ice maker ass y Ice Production and Water issues Ice Bucket Crushed Cube issues Check the ice bucket is it properly inserted check the solenoid lever of ice bucket is it operating freely if not check for ice frost build up in the auger motor area Please Note on most older models
30. s not spinning at the correct RPM or the fan feedback line is open This error indicates the Ice tray has not returned to level after an ice harvest The error is displayed after three failed attempts Cool Select Zone Sensor Error This can be an Electric wire cut short circuit contact failure or missing sensor Cause is also a temperature reading gt 122 or lt 58 F Refrigerator Room defrost heater wire cut short circuit contact failure missing sensor housing or defective temperature fuse bi metal Defrost on for over 80 minutes Sensor system in Pantry Room errors CR Compartment Sensor Error This can be an Electric wire cut short circuit contact failure or missing sensor Cause is also a temperature reading gt 122 or lt 58 F CR Compartment Sensor Error This can be an Electric wire cut short circuit contact failure or missing sensor Cause is also a temperature reading gt 122 or lt 58 F CR Compartment Defrost Sensor Error This can be a wire cut short circuit contact failure or missing sensor This can also be caused by a temperature reading gt 122 or lt 58 F CF Compartment Defrost Sensor Error This can be a wire cut short circuit contact failure or missing sensor This can also be caused by a temperature reading gt 122 or lt 58 F CR Compartment Defrosting heater wire cut short circuit contact failure missing sensor housing or defective temperature fus
31. tu AW12ECB7 XAA 15V 550 sq ft DIMENSIONS 22 x 15 5 x 22 baralel type WEIGHT 80 9 Ibs 10 8 EER 11 Electronic Remote Control 25 x 40 18 000 Btu AW18ECB7 XAA 230 208V 1000 sq ft DIMENSIONS 24 6 x 16 6 x 25 2 andara type WEIGHT 108 2 Ibs 10 7 EER gt Electronic Remote Control 35 x 40 25 000 Btu AW25ECB7 XAA 230 208V 1400 sq ft DIMENSIONS 26 x 17 6 x 28 1 a WEIGHT 131 4 Ibs 9 4 EER ID Electronic Remote Control Room Air Conditioner Chart 2007 Models 25 x 30 14 700 Btu AW15ECB7 XAA 145V 750 sq ft DIMENSIONS 24 6 x 16 6 x 25 2 ekerin WEIGHT 101 Ibs 10 7 EER 11 Electronic Remote Control Drafter Tony Ippolito
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