Lincoln 1154-000-EA User's Manual
Contents
1. LETTER PART NUMBER DESCRIPTION 369611 Coupler S N 2052462 amp Below B 369664 Coupling center S N 2052462 amp Below C 369269 Ball plunger S N 2052462 amp Below D 370116 Set screw S N 2052462 amp Below Not Shown 370671 Drive Coupling S N 2052463 amp Above E 369223 Crumb pan right S N 2045452 amp below Crumb pan right amp left S N 2045453 amp above F 369224 Crumb pan left S N 2045452 amp below G 369666 Conveyor frame assembly H 369226 Pan stop J 369516 Conveyor bearing K 369514 Idler shaft L 369515 Sprocket includes set screw 369978 Set screw M 369238 Drive shaft S N 2052462 amp Below Not Shown 370678 Drive shaft S N 2052463 amp Above N 369513 Hinge 369510 Door assembly includes 370016 Impinger nameplate Q 369501 Door latch amp catch R 1123D Door with window includes N P and Q S 369927 Window frame top T 369925 Glass access window U 369926 Window frame bottom W 369929 Retainer window X 369165 Splice clip conveyor belt Y 369194 Conveyor belt complete 369394 Conveyor belt 1 foot section Impinger Il Advantage Digital Service Manual International Impinger Il Advantage Digital Service Manual International 31 Lincoln2. Burner blower motor Check for supply voltage to motor WITH POWER OFF Turn blower wheel to check for locked rotor If supply voltage is present at motor connecting plug terminal 5 and Neutral and motor does not run replace burner blower motor Air pressure switch burner blower Check for proper supply voltage switching from NC to on ignition control Check for air pressure switch adjustment air tube blockage or misalignment If these adjustments fail replace air pressure switch Ignition control A pre purge time of 30 to 60 seconds occurs after burner blower motor starts Check for high voltage spark output from the ignition control If there is no high voltage spark output check reset button for ignition control If there is still no high voltage output replace the ignition control Igniter sensor assembly Check this assembly for visible damage Replace as needed If there is no visible damage check for voltage supply to igniter sensor assembly If there is voltage supplied to the igniter sensor but there is no spark replace igniter sensor assembly Gas valve Gas valve should open as the ignition control generates the high voltage spark Place manometer on the pressure tap fitting located in the gas piping just prior to the burner manifold and check for gas pressure If valve does not open check reset button on ignition control and all connections for tightness If there is
3. conveyor frame Remove bearing from conveyor shaft Reassemble in reverse order and check system operation O WP MERCURY CONTACTOR REPLACEMENT Shut off power at main breaker Remove control panel top and front cover Disconnect all wires and mark for reassembly Remove screws from mounting bracket and remove contactor Reassemble in reverse order and check system operation MOOD HEATING ELEMENT REPLACEMENT Shut off power at main breaker Remove back cover Disconnect heating element wires and mark for reassembly Disconnect motor wiring and mark for reassembly Remove oven back from oven Remove fan shroud Heating element may now be unbolted and removed Check new heating element for proper voltage Reassemble in reverse order and check for proper operation gt Impinger Il Advantage Digital Service Manual International 21 22 IMPINGER II ADVANTAGE GENERAL VIEW LETTER PART NUMBER DESCRIPTION 369390 Caster 4 w mounting plate B 369502 Bottom finger cover C Columnating plate see Installation amp Operations manual D 370010 Bottom finger housing E 369504 Top finger housing F Columnating plate see Installation amp Operations manual G 3695032 Top finger cover H 369511 Oven top 369659 Conveyor hole cover S N 2052462 amp Below 370679 Conveyor hole cover S N 2052463 amp Above J 369225 Baffle K 36921
4. S N 2052463 amp Above K 369192 Capacitor L 369368 Thermostat hi limit oven cavity M 370359 Reversing switch conveyor N 353082 Ground lug 369698 Junction box P 370117 Terminal block Q 370178 Cover junction box R 357107 Fuse holder 5 369014 Fuse 10 T 369331 Finger guard U 370384 Conveyor motor S N 2052462 amp Below 370676 Conveyor motor S N 2052463 amp Above V 369378 Cooling fan W 370362 Thermocouple Type K X 369479 Mercury contactor 3 phase 370672 Solid State Relay S N 2053336 amp Above RoHS Compliant Not Shown 370711 EMI Filter S N 2053336 amp Above RoHS Compliant Not Shown 370674 Surge Protector S N 2053336 amp Above RoHS Compliant Impinger Il Advantage Digital Service Manual International Impinger Il Advantage Digital Service Manual International 27 28 OVEN BACK ASSEMBLY LETTER PART NUMBER DESCRIPTION 369182 Fan B 369899 Fan shroud C 369655 Stand off D 370164 Heating element 230 Volt E Rear wall 369976 Gas ovens 369549 Electric ovens F 369581 Motor mount G 369196 Motor H 369695 Bracket motor 369033 Clamp motor J 369681 Cover back K 369979 Bracket hi limit L 369227 Spring M 369541 Bracket thermocouple Impinger Il Advantage Digital Service Manual International Impinger Il Advantage Digital Service Manual International 29 30 CONVEYOR DOOR
5. if necessary Fuse holder Check replace if necessary Hi limit thermostat control box Check for voltage on both sides of switch Terminals are normally closed If open reset and test oven for proper operation If thermostat will not hold and control box temperature is not exceeding 140 F 60 C replace thermostat Switch main fan With power off check continuity between switch terminals Replace as needed Motor main fan Check for opens shorts or grounds With power off turn fan blade to check for locked rotor Capacitor Check for shorts or grounds WARNING Capacitor has a stored charge discharge before testing No control box cooling Incoming power supply Check breaker reset if required Check power plug to be sure it is firmly in receptacle Measure incoming power call power co if needed Oven cavity hi limit thermostat Terminals are normally closed opens at 660 F 350 C If open reset and test oven for proper operation If thermostat will not hold for maximum oven temperature and oven is not exceeding control setting check for proper location of capillary bulb in its spring holder If above checks are okay replace hi limit thermostat Fuse 10 amp Check replace if necessary Fuse holder Check replace if necessary Hi limit thermostat control box Check for voltage on both sides of switch Terminals are normally closed If open reset an
6. pressure from the main fan to the oven control Line voltage is also supplied to the primary of the control transformer Secondary voltage 24VAC is supplied to the oven control The oven control is set to desired temperature The thermocouple will provide varying millivolts to the oven control The oven control supplies line voltage to the coil of the contactor at intermittent intervals to maintain the desired temperature The display on the oven control will indicate when the contactor is energized NOTE The display also indicates oven temperature CONVEYOR CONTROL Closing the oven fan switch supplies line voltage to the conveyor motor and to the primary of the control transformer Secondary voltage 24VAC is supplied to the oven control Setting the oven control to the desired time outputs voltage through a reversing switch to the conveyor motor NOTE The conveyor system uses a hall effect sensor and magnet to prove operation of the conveyor motor If the conveyor motor is not running BELT is indicated on the display Impinger Il Advantage Digital Service Manual International SCHEMATIC DIAGRAM MODEL 1154 000 EA 1155 000 EA SERIAL NUMBER 2038616 TO 2045407 INDIANA 1154 55 000 EP FORT WAYNE ET 2 255 go ee 6 02885888 e Hi EE Y HS 98888588 i BE O amp 8 2 9 8 88 BES 252823 i FI le al i d ds DES AE
7. thermocouple Refer to the thermocouple chart located in the Removal section of the manual for proper millivolt readings If these readings are not achieved replace thermocouple Oven control If the thermocouple checks good but there is no supply voltage output to the mercury contactor replace the oven control If there is supply voltage output to the mercury contactor proceed Mercury contactor Check for supply voltage to the contactor coil If voltage is present and the contactor will not activate replace the mercury contactor Also check each contactor for high voltage input and output Oven heats with switch off Heating element s Mercury contactor Check the Amp draw on each power leg for proper load Check the specification plate for rating information If the Amp draw is high or low check the individual elements for opens shorts and proper resistance WITH POWER OFF To check resistance of the elements remove all leads from the elements and use a digital multimeter The element resistance should be as follows 230V 33 ohm Replace heating elements as needed The mercury contactor has probably failed in the closed position If there is no voltage at the operating coil but there is high voltage output from the contactor replace the mercury contactor Intermittent heating Thermal overload of main fan motor The main fan motor is equipped with internal thermal protection and wil
8. 1 Thumb screw L 370118 Cross support M 369231 Caster 4 w threaded stem N 369232 Adjustable leg 369019 Stand side P 370066 Plug Impinger Il Advantage Digital Service Manual International Impinger Il Advantage Digital Service Manual International 23 24 IMPINGER II ADVANTAGE CONTROL BOX 1154 000 EA 1155 000 EA LETTER PART NUMBER DESCRIPTION 370108 Control box top 370355 Control oven C 370107 Side panel D 370354 Facia Label E 369432 On off switch F 369378 Cooling fan G 369579 Solid state alarm H 369574 Spark generator S N 2045407 and below 370362 Thermocouple J 370384 Conveyor motor S N 2052462 amp Below Not Shown 370676 Conveyor motor S N 2052463 amp Above K 369575 Air pressure switch L 369025 Blower air switch M 369689 Plug pressure test N 369901 Manifold burner 369566 Main orifice Nat 369524 Main orifice LP P 369654 Venturi Nat gas 369939 Venturi LP gas Q 369590 Ignitor sensor assy S N 2045407 and below 370397 Ignitor sensor assy S N 2045408 and above R 370186 Solenoid valve S 370031 Bypass orifice Nat 369557 Bypass orifice LP T 369589 Burner blower motor U 369401 Air shutter assembly V 369580 Gas valve Nat LP S N 2045407 and below Gas valv 370400 Nat LP S N 2045408 and above W 357067 Thermostat hi limit oven ca
9. 119341Q ISYIAIY OI ILON gU EDI a 18X 030009 38 OL 013105 31820 AOPZ Ol Y3dNNT 39V110 HOLOM 135 310N 0 N02 me ss sy A 43980 I 2 r 9 re d tr EN NOI LVUNO INO HJLIMS 31 SNOIIVMHDO JNOO ONISNOH 13205 EEE NE Sukses nie aces Of eme Ce nn GEC e Se m ia i o fe i PP i Aan Impinger Il Advantage Digital Service Manual International MODEL 1154 000 EA MODEL 1155 000 EA TROUBLESHOOTING GUIDE IMPINGER II ADVANTAGE SERIAL NUMBER 2038616 AND ABOVE OVENS WITH PUSH BUTTON CONTROLS NAT GAS LP GAS 230VAC 50 HZ 230VAC 50 HZ 1 PHASE 1 PHASE REFER TO PROPER SCHEMATIC FOR IDENTIFIED COMPONENTS SYMPTOM POSSIBLE CAUSE EVALUATION Oven fan will not run Incoming power supply Check breaker reset if required Check power plug to be sure it is firmly in receptacle Measure incoming power call power co if needed Fuse 10 amp Check replace if necessary Fuse holder Check replace if necessary Hi limit thermostat control box Switch main fan Check for voltage on both sides of switch Terminals are normally closed If open reset and test oven for proper operation If thermostat will not hold and control box temperature is not exceeding 140 F 60 C replace thermostat With power off check continuity between switch te
10. II appears on the display Press the temp button The control is now set for single burner operation THERMOCOUPLE REPLACEMENT com m F Shut off power at main breaker Remove conveyor and bottom finger assembly Remove control panel top and front cover Remove thermocouple from bracket in oven chamber and pull thermocouple through tube into control box Remove two thermocouple wires from temperature control Note wire color and location for reassembly Reassemble in reverse order and check system operation THERMOCOUPLE MEASUREMENT TEMPERATURE F D C MILLIVOLTS 200 2 8 250 4 0 300 5 1 350 6 0 400 7 1 450 8 2 500 9 3 550 10 4 600 11 5 BURNER CONTROL REPLACEMENT S N 2045407 and Below mo Shut off power at main breaker Remove control panel top and front cover Remove wires from control and mark for reassembly Remove mounting screws from control and remove burner control Reassemble in reverse order and check system operation BURNER CONTROL REPLACEMENT S N2045408 and Above Impinger Il Advantage Digital Service Manual International Shut off power at main breaker Remove control panel top and front cover Remove wires from control and mark for reassembly Remove one mounting screw and remove burner control from the gas valve Reassemble in reverse order and check system operation TREO GAS VALVE REPLACEMENT S N 2045407 and Below Shut off power a
11. Oven control If the hall effect sensor readings are correct but there is no speed indicated on the display replace the oven control Impinger Il Advantage Digital Service Manual International 15 REMOVAL INSTALLATION AND ADJUSTMENTS IMPINGER II ADVANTAGE SERIES CAUTION BEFORE REMOVING OR INSTALLING ANY COMPONENT IN THE IMPINGER OVEN BE SURE TO DISCONNECT ELECTRICAL POWER AND GAS SUPPLY MAIN FAN REPLACEMENT Shut off power at main breaker Remove motor cover from back of oven Disconnect wiring and mark for reassembly Remove bolts and slide back straight out of the oven Loosen the bolt from fan hub and remove fan from motor shaft NOTE Measure distance from fan blade to rear wall assembly before removal to aid in reassembly F Reassemble in reverse order and check system operation moom FAN SPIDER NOTE MEASUREMENT MUST BE lc c MADE FROM CONE TO FAN SPIDER FAN HUB 1 1 2 INCH CONE gt MOTOR MAIN FAN REPLAGEMENT Shut off power at main breaker Remove motor cover from back of oven Disconnect wiring and mark for reassembly Remove bolts and slide back straight out of the oven Loosen the bolt from fan hub and remove fan from motor shaft NOTE Measure distance from the fan blade to rear wall assembly before removal to aid in reassembly F Remove four screws from motor support assembly G Remove motor mount clamp and remove motor from oven back H Remove motor mount from
12. Remove control panel top and front cover Disconnect bypass tube from gas valve Remove bypass orifice from gas valve Reassemble in reverse order and check system operation Check all gas line fittings for leaks MAIN BURNER ORIFICE REPLACEMENT ommoog Shut off power at main breaker Shut off gas supply to the oven and disconnect the flexible gas line to oven Remove control panel top and front cover Remove burner manifold See TEMPERATURE REGULATION VALVE Remove main burner orifice from burner manifold Reassemble in reverse order and check system operation Check all gas line fittings for leaks REVERSING SWITCH REPLACEMENT MOOD gt Shut off power at main breaker Remove control panel top and front cover Remove wires from reversing switch and mark for reassembly Remove mounting nut and remove switch Reassemble in reverse order and check system operation CONVEYOR DRIVE MOTOR REPLACEMENT onmouowx Shut off power at main breaker Remove control panel top and front cover Disconnect all wiring from motor and mark for reassembly Remove coupling from motor drive shaft Remove four screws and remove conveyor motor and mounting bracket Remove mounting bracket from conveyor motor Reassemble in reverse order and check system operation REVERSING CONVEYOR DIRECTION Impinger Il Advantage Digital Service Manual International A Shut off power at oven switch B Set conveyor reversing
13. SERVIGE MANUAL INTERNATIONAL IMPINGER ADVANTAGE DIGITAL SERIES MODEL 1154 000 EA 1155 000 EA 1164 000 EA WITH PUSH BUTTON CONTROLS TA 2 Lincoln Lincoln Foodservice Products LLC 1111 North Hadley Road Fort Wayne Indiana 46804 United States of America Phone 800 374 3004 U S Fax 888 790 8193 Intl Fax 260 436 0735 Technical Service Hot Line 800 678 9511 www lincolnfp com 1100ExAdDig REV 11 8 07 SEQUENCE OF OPERATIONS IMPINGER II ADVANTAGE SERIAL NUMBER 2038616 AND ABOVE OVENS WITH PUSH BUTTON CONTROLS MODEL 1154 000 EA NAT GAS 230VAC 50 HZ 1 PHASE MODEL 1155 000 EA LP GAS 230VAC 50 HZ 1 PHASE POWER SUPPLY Electrical power to be supplied to the oven by a three conductor service CONTROL BOX AUTO When the temperature in the control box reaches 120 F 3 F 48 9 C 1 70 COOL DOWN the cooling fan thermostat will switch power to the control box cooling fan The thermostat will interrupt power to the cooling fan when the control box temperature falls to 100 F 3 F 37 890 1 790 MAIN FAN CIRCUIT Power is permanently supplied through 10 amp oven fuse through normally closed control box hi limit thermostat opens at 140 F 60 to the normally open double pole oven fan switch and to the cooling fan Closing the oven fan switch supplies line voltage to the main fan motor Closing the main fan switch also supplies voltage to the cooling fan the primary of the con
14. TETE 37 a 91818 5 Impinger Il Advantage Digital Service Manual International SCHEMATIC DIAGRAM MODEL 1154 000 EA 1155 000 EA SERIAL NUMBER 2045408 AND ABOVE CEE ti si FLLITER H Impinger 1 Advantage Digital Service Manual International SCHEMATIC DIAGRAM MODEL 1164 000 EA SERIAL NUMBER 2038616 AND ABOVE lt 2 lt 9 gt ui 5 FE pen EE 5 118288 SOCKET HOUSING CONFIGURA a Impinger Il Advantage Digital Service Manual International SCHEMATIC DIAGRAM MODEL 1164 000 EA SERIAL NUMBER 2053336 AND ABOVE RoHS Compliant 32079082 NY4 9 110002 HOLON ZW NIVN YOLON IW 6 SUIGNNN 3BIM LE a si SUSA Jebuidu H3WHOJSNVYU YOSN3S 123333 VH SH o i y 314N020N83H1 21 U31V3H H d LIWIT IH N3AO IVISONY3HI EL 3SION 831114 113 YNY q N 3N AVM 1803 NWI ONI 7003 1V1SOW83H1 21 VOI HOiON ISNA 13 6 LINIT IH XOG TOBINOI 1VISOMU3HI 11 IW 831113 1133 DUP SJONPALg STJAJIOSPOO J 40031044 39815 d NJAO NOD HOLIMS 2S A SSV WOLIOVdVO 831113 IMI 9 ONISY3A3Y 40341 2310 NJAO HOLIMS IS YOLON 90434102 HOLIDVAVI 22 J U3LV3H AVIS 2 95 NIV 12 8043ANO2 9010 EN HOLIMS 381 384 HIV SdY NOILISOd 1X3N O1 25 HJLIMS 8OA3ANO2 40 NO
15. control set the control to maximum temperature see Installation operation manual for temperature adjustment With the control at maximum temperature check for supply voltage to the mercury contactor If there is voltage at the mercury contactor proceed to Mercury contactor for next check If there is no voltage at the mercury contactor trace wiring back to the oven control If there is no voltage output at the oven control check the read out on the oven control If the oven control reads PROBE FAIL this indicates that the thermocouple has failed or become disconnected from the oven control Check to see that the thermocouple is securely connected to the oven control If the thermocouple is Impinger Il Advantage Digital Service Manual International 13 14 connected to the oven control and the display indicates PROBE FAIL disconnect the thermocouple from the oven control and measure the resistance of the thermocouple The thermocouple should read approx 110 If these readings are not achieved replace the thermocouple If these readings are correct proceed Oven control If the thermocouple checks good but the oven control indicates that there is a thermocouple failure replace the oven control If the oven control indicates a temperature reading but the oven will not heat proceed Thermocouple WITH POWER ON AND THERMOCOUPLE ATTACHED TO THE OVEN CONTROL Measure the DC millivolt output of the
16. d test oven for proper operation If thermostat will not hold and control box temperature is not exceeding 140 F 60 C replace thermostat Switch main fan With power off check continuity between switch Impinger Il Advantage Digital Service Manual International terminals Replace as needed Cooling fan Line voltage should now be at the cooling fan If voltage is present check motor for opens shorts or grounds With power off check for locked rotor No automatic control box cooling Incoming power supply Check breaker reset if required Check power plug to be sure it is firmly in receptacle Measure incoming power call power co if needed Oven cavity hi limit thermostat Terminals are normally closed opens at 660 F 350 If open reset and test oven for proper operation If thermostat will not hold for maximum oven temperature and oven is not exceeding control setting check for proper location of capillary bulb ion its spring holder If above checks are okay replace hi limit thermostat Fuse 10 amp Check replace if necessary Fuse holder Check replace if necessary Hi limit thermostat control box Check for voltage on both sides of switch Terminals are normally closed If open reset and test oven for proper operation If thermostat will not hold and control box temperature is not exceeding 140 F 60 C replace thermostat Cooli
17. e order and check system operation Check all gas line fittings for leaks Adjust the gas manifold pressure on the gas valve Refer to the specification plate on the oven for proper rating Ae rommoom Impinger Il Advantage Digital Service Manual International 19 20 TEMPERATURE REGULATION VALVE REPLACEMENT ommoog Shut off power at main breaker Shut off gas supply to the oven and disconnect the flexible gas line to oven Remove control panel top and front cover Remove bypass tube from burner manifold Remove wiring from valve and mark for reassembly Remove four mounting nuts from burner manifold and disconnect pipe union Remove temperature regulation valve and piping from oven IGNITER SENSOR ASSEMBLY REPLACEMENT gt Shut off power at main breaker Shut off gas supply to oven Remove control panel top and front cover Remove gas valve assembly see GAS VALVE Remove temperature regulation valve see TEMPERATURE REGULATION VALVE Disconnect all wires from burner and mark for reassembly Remove screws from burner tube and remove burner venturi Remove two mounting screws and remove igniter sensor assembly from burner venturi Reassemble in reverse order and check system operation Check all gas line fittings for leaks BYPASS ORIFICE REPLACEMENT ommoog Shut off power at main breaker Shut off gas supply to the oven and disconnect the flexible gas line to oven
18. er Remove four mounting screws from fan frame Disconnect power cord and remove fan Reassemble in reverse order and check system operation HOGG THERMOSTAT COOLING FAN REPLACEMENT Shut off power at main breaker Remove control panel top and front cover Remove wires and mark for reassembly Remove two mounting screws and remove thermostat Reassemble in reverse order and check system operation NOTE Push reset button on new thermostat moon BURNER BLOWER MOTOR REPLACEMENT Shut off power at main breaker Remove control panel top and front cover Unplug motor connector Remove three mounting screws from blower tube at burner housing Remove air shutter assembly from old motor for assembly on new motor Reassemble in reverse order and check system operation NOTE Check air shutter at approximately 1 2 open and adjust to get a blue flame with an occasional tip of yellow under high flame A view port in the burner assembly should be used to observe flame Tm om HI LIMIT THERMOSTAT OVEN CAVITY REPLACEMENT Shut off power at main breaker Remove conveyor and bottom finger assembly Remove capillary bulb from bracket in oven chamber and pull capillary tube through tube into control box Remove all wires and mark for reassembly Remove mounting nut and remove thermostat Reassemble in reverse order and check system operation Be sure capillary tube is securely in the mount NOTE Push reset button
19. eutral If no voltage is present trace wiring back to the oven fan switch If voltage is present but the motor will not run check the motor windings for opens or shorts If any of the above fail replace the conveyor motor Capacitor conveyor motor Check for shorts or grounds Replace capacitor as needed WARNING Capacitor has a stored charge discharge before testing Switch conveyor reversing Check continuity between switch terminals Replace switch as needed Oven control If there is voltage supplied to the motor and the motor capacitor and reversing switch check good replace the oven control Conveyor motor runs but there is no speed display NOTE Display will indicate BELT JAM Oven control Check for output voltage from oven control to hall effect sensor sensor is located in the conveyor motor Measure voltage at the motor connector red wire and yellow wire Voltage should be approx 10VDC If no voltage is present trace wiring back to oven control If there is no voltage output at the oven control replace oven control Conveyor motor If there is voltage supplied to the hall effect sensor check for a frequency output from the hall effect sensor Measure frequency across the yellow and white wires in the motor connector Frequency reading should be approx 25 100 Hz If these readings are not achieved replace conveyor motor If the readings are achieved proceed
20. iter sensor assembly If there is voltage supplied to the igniter sensor but there is no spark replace igniter sensor assembly Gas valve Gas valve should open when proper supply voltage is present If there is no voltage present check reset button on ignition control and all connections for tightness If there is still no voltage to gas valve replace the ignition control If there is voltage to the gas valve check for gas pressure at the gas pressure tap located in the gas piping just prior to the burner If there is no gas pressure replace the gas valve Flame will not stay Flame sensor To check for flame sensor operation connect a digital multimeter capable of measuring DC microamps between the flame sensor wire and terminal 1 on the ignition control Sensor current is to be 3 microamps minimum If these readings are not achieved replace igniter sensor assembly Also check for any type of damage to flame sensor wire and connections NOTE The DC microamp test must be conducted with the oven in low flame bypass operation Impinger Il Advantage Digital Service Manual International 10 Power supply Set the temperature to the lowest temperature setting If there is sufficient microamp current but the flame will not stay lit check for proper polarity of the power supply Ignition control If there is sufficient microamp current and there is proper polarity of the powe
21. l Conveyor motor If there is voltage supplied to the hall effect sensor check for a frequency output from the hall effect sensor Measure frequency across the yellow and white wires in the motor connector Frequency reading Impinger Il Advantage Digital Service Manual International 11 12 should be approx 25 100 Hz If these readings are not achieved replace conveyor motor If the readings are achieved proceed Oven control If the hall effect sensor readings are correct but there is no speed indicated on the display replace the oven control MODEL 1164 000 EA 400 230VAC TROUBLESHOOTING GUIDE IMPINGER II ADVANTAGE SERIAL NUMBER 2038616 AND ABOVE OVENS WITH PUSH BUTTON CONTROLS 50HZ 3 PHASE REFER TO PROPER SCHEMATIG FOR IDENTIFIED COMPONENTS SYMPTOM POSSIBLE CAUSE EVALUATION Oven fan will not run Incoming power supply Oven cavity hi limit thermostat Check breaker reset if required Check power plug to be sure it is firmly in receptacle Measure incoming power call power co if needed Terminals are normally closed opens at 660 F 350 C If open reset and test oven for proper operation If thermostat will not hold for maximum oven temperature and oven is not exceeding control setting check for proper location of capillary bulb ion its spring holder If above checks are okay replace hi limit thermostat Fuse 10 amp Check replace
22. l cease to operate if overheating occurs As the motor overheats and cools this will cause the heating system to cycle on and off intermittently Improper ventilation or lack of preventive maintenance may cause this problem Also most of the problem listed under Oven will not heat can cause intermittent failure Conveyor will not run Incoming power supply Check breaker reset if required Check power plug to be sure it is firmly in receptacle Measure incoming power call power co if needed Fuse 10 amp Check replace if necessary Fuse holder Check replace if necessary Hi limit thermostat control box Check for voltage on both sides of switch Terminals are normally closed If open reset and test oven for proper operation If thermostat will not hold and control box temperature is not exceeding 140 F 60 C replace thermostat Switch main fan With power off check continuity between switch terminals Replace as needed Impinger Il Advantage Digital Service Manual International Control transformer Check for supply voltage to the primary of control transformer If no voltage is present trace wiring back to oven fan switch If voltage is present check for 24VAC at transformer secondary If there is primary voltage but no secondary voltage replace control transformer Conveyor motor Check for supply voltage to the conveyor motor at terminal 6 to n
23. l gas shut off valve is open Also check flexible gas line connection Main fan If not operating refer to Oven fan will not run Gas pressure switch This switch is located inside the gas valve and should close when gas pressure is present WITH POWER OFF Remove 3 prong plug on gas valve and measure continuity between terminals 2 and 3 If no continuity check the following Proper gas pressure supply to gas valve as marked on the oven specification plate Check for proper adjustment of the gas pressure switch 10 for Nat gas 27 for LP gas or 4 5 for town gas Check the filter in gas valve for Impinger Il Advantage Digital Service Manual International blockage or damage If above checks are okay but pressure switch is still not closed replace gas valve Air pressure switch Check air switch terminals for supply voltage to terminals NO2 and COM If voltage is present on one side only check for air tube blockage or misalignment If these are okay adjust air pressure switch or replace if necessary Oven cavity hi limit thermostat Terminals are normally closed opens at 660 F 350 C If open reset and test oven for proper operation If thermostat will not hold for maximum oven temperature and oven is not exceeding control setting check for proper location of capillary bulb in its spring holder If above checks are okay replace hi limit thermostat Ignition control Burne
24. mer Check for supply voltage to the primary of control transformer If no voltage is present trace wiring back to oven fan switch If voltage is present check for 24VAC at transformer secondary If there is primary voltage but no secondary voltage replace control transformer Conveyor motor Check for supply voltage to the conveyor motor at terminal 6 to neutral If no voltage is present trace wiring back to the oven fan switch If voltage is present but the motor will not run check the motor windings for opens or shorts If any of the above fail replace the conveyor motor Capacitor conveyor motor Check for shorts or grounds Replace capacitor as needed WARNING Capacitor has a stored charge discharge before testing Switch conveyor reversing Check continuity between switch terminals Replace switch as needed Oven control If there is voltage supplied to the motor and the motor capacitor and reversing switch check good replace the oven control Conveyor motor runs but there is no speed display NOTE Display will indicate BELT JAM Oven control Check for output voltage from oven control to hall effect sensor sensor is located in the conveyor motor Measure voltage at the motor connector red wire and yellow wire Voltage should be approx 10VDC If no voltage is present trace wiring back to oven control If there is no voltage output at the oven control replace oven contro
25. motor I Reassemble in reverse order and check system operation moon CAPACITOR REPLACEMENT Shut off power at main breaker Remove control box cover and front panel Discharge capacitor Remove capacitor Reassemble in reverse order and check system operation MOOD ON OFF SWITCH REPLACEMENT A Shut off power at main breaker B Remove control box cover and front panel C Depress spring clips on sides of switch and push out D Remove wires from switch and mark for reassembly E Reassemble in reverse order and check system operation NOTE Make sure switch housing is fully seated in control box housing Impinger Il Advantage Digital Service Manual International FUSE HOLDER REPLACEMENT Shut off power at main breaker Remove control box cover and front panel Remove wires from fuse holder and mark for reassembly Remove mounting screws or mounting nut on fuse holder and remove fuse holder Reassemble in reverse order and check system operation mIo THERMOSTAT CONTROL BOX HI LIMIT REPLACEMENT Shut off power at main breaker Remove control box cover and front panel Remove wires from thermostat and mark for reassembly Remove mounting screws and remove thermostat Reassemble in reverse order and check system operation NOTE Push reset button on new thermostat moon COOLING FAN CONTROL BOX REPLACEMENT Shut off power at main breaker Remove control panel top and front cov
26. ng fan thermostat Check the cooling fan thermostat thermostat closes at 120 F and opens at 100 F With the cooling fan thermostat pre heated check for continuity If thermostat is open replace cooling fan thermostat Cooling fan Line voltage should now be at the cooling fan If voltage is present check motor for opens shorts or grounds With power off check for locked rotor Oven will not heat Main fan If not operating refer to Oven fan will not run Control transformer Check for supply voltage to the primary of control transformer If no voltage is present trace wiring back to oven fan switch If voltage is present check for 24VAC at transformer secondary If there is primary voltage but no secondary voltage replace control transformer Air pressure switch Check air switch terminals for supply voltage to terminals NO and If voltage is present on one side only check for air tube blockage or misalignment If these are okay adjust air pressure switch or replace if necessary Oven control Thermocouple Check for 24VAC supply to oven control If no voltage is present trace wiring back to control transformer Check for supply voltage to oven control If no voltage is present trace wiring back to oven fan switch If voltage is present check for a read out on the display If there is no read out on the oven display replace oven display If there is a read out on the oven
27. on new thermostat mo OWP Impinger Il Advantage Digital Service Manual International 17 18 TRANSFORMER CONTROL REPLACEMENT MOOD gt Shut off power at main breaker Remove control panel top and front cover Remove all wires from transformer and mark for reassembly Remove two mounting screws from transformer base and remove transformer Reassemble in reverse order and check system operation OVEN CONTROL REPLACEMENT Shut off power at main breaker Remove control box cover and front panel Remove all wiring connections and mark for reassembly Remove oven control by pulling control from the mounting pins Remove control from oven Before installing new oven control set voltage jumper located at the bottom center of the oven control to the proper voltage 120V 240V position Install the four pushbutton extensions included with the oven control by pushing the extensions onto the four set buttons on control Reassemble in reverse order and check system operation Set the oven control for the proper operating mode The 1100 series ovens use a single temperature control system The oven control must be set to the proper operating mode Set the control as follows With the oven power switch off depress the time and up buttons and turn the oven on Control will indicate Imp I or Imp II Release the buttons The control will indicate Temp to store Press the up or down until Imp
28. osing the oven fan switch supplies line voltage to the conveyor motor and to the primary of the control transformer Secondary voltage 24VAC is supplied to the oven control Setting the oven control to the desired time outputs voltage through a reversing switch to the conveyor motor NOTE The conveyor system uses a hall effect sensor and magnet to prove operation of the conveyor motor If the conveyor motor is not running BELT JAM is indicated on the display Impinger Il Advantage Digital Service Manual International SEQUENCE OF OPERATIONS IMPINGER II ADVANTAGE SERIAL NUMBER 2038616 AND ABOVE OVENS WITH PUSH BUTTON CONTROLS MODEL 1164 000 EA 400 230VAC 50HZ 3 PHASE POWER SUPPLY Electrical power to be supplied to the oven by a four conductor service Brown conductor is hot Black conductor is hot Black conductor is hot Green conductor is ground MAIN FAN CIRCUIT Power is permanently supplied through the 10 amp oven fuse through the normally closed control box hi limit thermostat opens at 140 F 60 to the normally open oven fan switch Power is also supplied to the normally open cooling fan thermostat Closing the oven fan switch supplies line voltage to the main fan motor the cooling fan the primary of the control transformer and to the oven control HEAT CIRCUIT Closing the oven fan switch supplies line voltage through the normally open air pressure switch closed by air
29. r blower motor Check for proper supply voltage to ignition control Check for proper voltage to the burner blower motor This can be checked at motor connecting plug terminals 2 and 5 If voltage is present proceed with next step if not wait 30 seconds push reset button and try to restart If this fails check wires from thermostat and burner blower motor to the ignition control If the above checks okay replace ignition control Check for supply voltage to motor WITH POWER OFF Turn blower wheel to check for locked rotor If supply voltage is present at motor connecting plug terminals 2 and 5 and motor does not run replace burner blower motor Air pressure switch burner blower Check for proper supply voltage switching from NC to on ignition control Check for air pressure switch adjustment air tube blockage or misalignment If these adjustments fail replace air pressure switch Spark generator A pre purge time of 30 to 60 seconds occurs after burner blower motor starts Check for supply voltage at spark generator If voltage is not present check reset button for ignition control If voltage is still not present replace ignition control If there is input voltage to the spark generator but there is no high voltage output replace the spark generator Igniter sensor assembly Check this assembly for visible damage Replace as needed If there is no visible damage check for voltage supply to ign
30. r supply but the burner will not stay lit check the reset button on the ignition control If the above test is okay replace the ignition control Oven will not heat Gas supply Check for adequate gas supply and be sure that the Serial Number manual gas shut off valve is open Also check flexible 2045408 amp Above gas line connection Main fan If not operating refer to Oven fan will not run Air pressure switch Check air switch terminals for supply voltage to terminals C and NO If voltage is present on one side only check for air tube blockage or misalignment If these are okay adjust air pressure switch or replace if necessary Oven cavity hi limit thermostat Terminals are normally closed opens at 350 C 660 F If open reset and test oven for proper operation If thermostat will not hold for maximum oven temperature and oven is not exceeding control setting check for proper location of capillary bulb in its spring holder If above checks are okay replace hi limit thermostat Ignition control Check for proper supply voltage to ignition control Check for proper voltage to the burner blower motor This can be checked at motor connecting plug terminal 5 and Neutral If voltage is present proceed with next step if not wait 30 seconds push reset button and try to restart If this fails check wires from burner blower motor to the ignition control If the above checks okay replace ignition control
31. rminals Replace as needed Motor main fan Capacitor Check for opens shorts or grounds With power off turn fan blade to check for locked rotor Check for shorts or grounds WARNING Capacitor has a stored charge discharge before testing No control box cooling Incoming power supply Check breaker reset if required Check power plug to be sure it is firmly in receptacle Measure incoming power call power co if needed Switch main fan With power off check continuity between switch terminals Replace as needed Cooling fan Line voltage should now be at the cooling fan If voltage is present check motor for opens shorts or grounds With power off check for locked rotor No automatic control box cooling Incoming power supply Check breaker reset if required Check power plug to be sure it is firmly in receptacle Measure incoming power call power co if needed Cooling fan thermostat Check the cooling fan thermostat thermostat closes at 120 F and opens at 100 F With the cooling fan thermostat pre heated check for continuity If thermostat is open replace cooling fan thermostat Cooling fan Line voltage should now be at the cooling fan If voltage is present check motor for opens shorts or grounds With power off check for locked rotor Oven will not heat Serial Number 2045407 amp Below Gas supply Check for adequate gas supply and be sure that the manua
32. still no gas pressure remove the ignition control from the gas valve Check the coils of the gas valve for opens or Impinger Il Advantage Digital Service Manual International shorts Readings should be as follows V1 2 9K ohms approx V2 1 3K ohms approx If these readings are not achieved replace gas valve If these readings are achieved replace ignition control Flame will not stay on Flame sensor To check for flame sensor operation connect a digital multimeter capable of measuring DC microamps between the flame sensor wire and the flame sensor connection on the ignition control Sensor current is to be 0 9 microamps minimum If these readings are not achieved replace igniter sensor assembly Also check for any type of damage to flame sensor wire and connections NOTE The DC microamp test must be conducted with the oven in low flame bypass operation Power supply Set the temperature to the lowest temperature setting If there is sufficient microamp current but the flame will not stay lit check for proper polarity of the power supply Ignition control If there is sufficient microamp current and there is proper polarity of the power supply but the burner will not stay lit check the reset button on the ignition control If the above test is okay replace the ignition control NOTE Flame should be on at this time Low flame is on but no main flame Control transfor
33. switch in the other position C Turn oven on and check for proper operation CAPACITOR CONVEYOR DRIVE MOTOR REPLACEMENT Shut off power at main breaker Remove control panel top and front cover Discharge capacitor before removing wires Mark wires for reassembly Remove mounting screw and remove capacitor Reassemble in reverse order and check system operation AIR PRESSURE SWITCH REPLACEMENT A Shutoff power at main breaker B Remove control panel top and front cover C Disconnect wiring from air pressure switch and mark for reassembly D Disconnect air tube from air pressure switch E Remove two mounting screws and remove air pressure switch F Reassemble in reverse order and check system operation Be sure to calibrate new air pressure switch For proper calibration see below G Turn adjusting screw on air pressure switch fully counter clockwise H Turn oven I Turn adjusting screw on air pressure switch clockwise until heat shuts off J Turn adjusting screw on air pressure switch counter clockwise 4 turn K Reassemble control panel top and front cover BEARING CONVEYOR REPLACEMENT Remove conveyor from oven and place on a flat work surface Remove connecting links from conveyor belt See Installation Operations manual for proper procedure Remove conveyor belt from conveyor Move drive shaft or idler shaft toward end of conveyor and shaft with bearing will now slip out of
34. t main breaker Shut off gas supply to the oven and disconnect the flexible gas line to oven Remove control panel top and front cover Remove the manual gas shut off valve Remove screws from the bulkhead plate on inlet gas pipe and remove inlet gas pipe Remove pilot tube and wiring from gas valve mark all wiring for reassembly Disconnect pipe union in gas line and remove gas valve and piping assembly Remove piping from gas valve Reassemble in reverse order and check system operation Check all gas line fitting for leaks Adjust the gas manifold pressure on the gas valve Refer to the specification plate on the oven for proper rating ACTIOMMOOAOD TOP VIEW SIDE VIEW OUTPUT MANIFOLD PRESSURE PRESSURE CONTROLLER USTMENT ADJUSTMENT ADS ELECTRICAL CONNECTOR FILTER FILTER COVER COVER PLATE PLATE Ww LECTRICAL n AER CONNECTOR GAS VALVE REPLACEMENT S N 2045408 and Above Shut off power at main breaker Shut off gas supply to the oven and disconnect the flexible gas line to the oven Remove control panel top and front cover Remove the manual gas shut off valve Remove screws from the bulkhead plate on inlet gas pipe and remove inlet gas pipe Remove wiring from ignition control mounted on gas valve mark all wiring for reassembly Remove pilot tube Disconnect pipe union in gas line and remove gas valve and piping assembly Remove piping from gas valve Reassemble in revers
35. trol transformer the conveyor motor and the burner system BURNER CIRCUIT IGNITION CONTROL Closing the oven fan switch supplies line voltage through the normally open gas pressure switch located in the gas valve and closed when gas pressure is present through the normally open air pressure switch closed by the air pressure from the main fan through the normally closed oven cavity hi limit thermostat opens at 662 F 350 C and to the ignition control The ignition control switches line voltage to the combustion blower motor The combustion air pressure switch switches from normally closed to normally open upon sensing air pressure in the burner housing After a pre purge period of between 30 and 60 seconds the spark generator is energized the main gas valve and the burner pilot light are energized and ignition should now occur TEMPERATURE CONTROL Closing the oven fan switch supplies line voltage to the primary of the control CONVEYOR DRIVE transformer Secondary voltage 24VAC is supplied to the oven control The oven control is set to desired temperature The thermocouple will provide varying millivolts to the oven control The oven control supplies line voltage to the temperature regulation valve at intermittent intervals to maintain the desired temperature The display on the oven control will indicate when the temperature regulation valve is energized NOTE The display also indicates oven temperature Cl
36. vity X 369192 Capacitor Y 369771 Reset switch ignition control Z 370359 Reversing switch conveyor AA 353082 Ground lug BB 370178 Junction box CC 370176 Filter E M I DD 369376 Terminal block 3 pole EE 369698 Cover FF 370383 Capacitor conveyor motor S N 2052462 amp Below Not Shown 370682 Capacitor conveyor motor S N 2052463 amp Above GG 369507 Thermostat cooling fan HH 369431 Thermostat control box hi limit Il 369014 Fuse 10A JJ 357107 Fuse holder KK 370241 Transformer control LL 369573 Ignition control S N 2045407 and below 370401 Ignition control S N 2045408 and above MM 369331 Finger guard Not Shown 7008696 Motor Mount Plate S N 2052463 amp Above Not Shown 370679 Drive Shaft Cover S N 2052463 amp Above Impinger Il Advantage Digital Service Manual International v viaa 25 International Impinger Il Advantage Digital Service Manual 26 IMPINGER II ADVANTAGE CONTROL BOX 1164 000 EA LETTER PART NUMBER DESCRIPTION 370108 Control box top B 370355 Control oven C 369432 On off switch D 370354 Facia Label E 370107 Side panel F 369025 Blower Air Switch 370673 Blower Air Switch S N 2053336 amp Above RoHS Compliant G 370241 Transformer control H 369431 Thermostat control box hi limit 369507 Thermostat cooling fan 370383 Capacitor conveyor motor S N 2052462 amp Below 370682 Capacitor conveyor motor
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