Manuals / Lincoln / Kitchen Appliance / Convection Oven

Lincoln 1400, 1200, 1000 1 on 2 on, 3 on 4 off 5 off 6 off, Burner Motor Centrifugal Switch bad

Models: 1000 1200 1400

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Page 24

1 on 2 on	3 on 4 off 5 off 6 off	- Burner Motor Centrifugal Switch bad.
1 on 2 on	3 on 4 on 5 off 6 off	- Ignition Control bad.
1 on 2 on	3 on 4 on 5 on 6 off	- Pilot Shield missing or warped, Flame Sensor bad, Pilot
		- Orifice plugged, or Gas Valve bad.
1 on 2 on 3 on 4 on 5 on 6 on		- Unit still not working Main Orifice plugged, Gas Valve bad,
		- Temperature Control bad.
		- However, Main Orifice would not be intermittent problem.

24	Impinger I -–1000 Series Service Manual - Domestic

Page 24

Image 24

Lincoln 1400, 1200, 1000 1 on 2 on, 3 on 4 off 5 off 6 off, Burner Motor Centrifugal Switch bad, 3 on 4 on 5 off 6 off

Contents

Lincoln Foodservice Products, LLC Technical Service Hot Line 800678-95111111 North Hadley Road Fort Wayne, Indiana United States of America Phone : 800TABLE OF CONTENTS MODEL 1000 - 120/230 VAC - 60HZ - NATURAL GAS SEQUENCE OF OPERATIONS 1022 / 1023 SEQUENCE OF OPERATIONS 1040 / 1041 / 1240 / TEMPERATURE Impinger I -–1000Series Service Manual - DomesticTRANSFORMER one half of the secondary voltageImpinger I -–1000Series Service Manual - Domestic TIME TEMP DISPLAYSCHEMATIC / 1000, SCHEMATIC SCHEMATIC / 1022, 1023 – S/N Q19077 & BELOW Impinger I -–1000Series Service Manual - DomesticSCHEMATIC / 1022, 1023 - S/N Q19078 & ABOVE Impinger I -–1000Series Service Manual - DomesticSCHEMATIC / 1040, 1041 – S/N Q14279 & BELOW SCHEMATIC / 1040, 1041 – S/N Q14280 & ABOVE Impinger I -–1000Series Service Manual - DomesticSCHEMATIC / 1200, Impinger I -–1000Series Service Manual - DomesticSCHEMATIC / 1202, 1203 S/N Q14790 & BELOW Impinger I -–1000Series Service Manual - DomesticSCHEMATIC / 1202, 1203 S/N Q14791 & ABOVE Impinger I -–1000Series Service Manual - DomesticSCHEMATIC / 1204, Impinger I -–1000Series Service Manual - DomesticSCHEMATIC / 1240, 1241 – S/N Q14279 & BELOW Impinger I -–1000Series Service Manual - DomesticSCHEMATIC / 1240, 1241 - S/N Q14280 & ABOVE Impinger I -–1000Series Service Manual - DomesticTROUBLESHOOTING GUIDE SYMPTOMPOSSIBLE CAUSE EVALUATIONFor ovens with Johnson ControlsIgnition Control Honeywell IgnitionHoneywell ignition controlFor ovens with Temperature Control flameFor ovens withmechanical thermostatBurner Motor Centrifugal Switch bad Temperature Control bad1 on 2 on 3 on 4 off 5 off 6 offTROUBLESHOOTING GUIDE SYMPTOMPOSSIBLE CAUSE EVALUATIONTemperature Control Board Check for 120 VAC input to temperature controladjustment dial to the maximum temperature on the temperature control board, check forpotentiometer. WITH POWER OFF: remove the Reversing Switchrunning, check the D.P.D.T. reversing switch Fan Switchimproper adjustment. Also check for worn bearings. The Installation and Operations Manualshows proper conveyor belt adjustment. A Power SupplySpeed Adjustment POWER OFF: remove the 3 pin potentiometerTerminal 1-5, 2-6, 3-7, 4-8WITH POWER OFF 12.6 VAC Power Supplyuse two types of temperature yellow wires ThermocoupleProbe 1 red wire and 1 white resistance of the thermistor probe. See chart inmotor. Check all wiring and connections for location and check all wiring for visible damagewire in temporarily a new conveyor drive control Impinger I -–1000Series Service Manual - DomesticREMOVAL, INSTALLATION & ADJUSTMENTS MOTOR, MAIN FANCAPACITOR, MOTOR FAN, MAINCOOL DOWN SWITCH S. N. 4613 & Above GASS. N. 4768 & Above ELECTRIC RELAY, D.P.S.TTHERMOSTAT, COOLING FAN BURNER BLOWER MOTORAIR PRESSURE SWITCH BLOWER WHEEL, BURNERBURNER ASSEMBLY GAS CONTROL VALVEMANIFOLD PRESSURE - ADJUSTMENT TEMPERATURE CONTROL VALVE ROBERT SHAWTEMPERATURE CONTROL BOARD SOLENOID VALVETEMPERATURE CONTROL POTENTIOMETER – REPLACEMENT THERMOCOUPLE- REPLACEMENTMERCURY CONTACTOR HEATING ELEMENT IGNITION CONTROLImpinger I -–1000Series Service Manual - Domestic 24V GND 24VFLAME SENSOR BURNER IGNITORTRANSFORMER 120/24 VAC BURNER LIGHT 24 VAC - GAS OVENSCONVEYOR MOTOR REPLACEMENT - BODINE SN PILOT ORIFICE - BURNERMAIN ORIFICE - BURNER POTENTIOMETER - CONVEYOR SPEED CONTROL1200 SERIES SN 4390 – 1200 SERIES SN14792 AND ABOVECOUPLING AND ENCODER DISC OPTICAL ENCODER ASSEMBLY TACH. GENERATORCONVEYOR MOTOR CONTROL BOARD D. C. MOTOR CONTROL BOARD - CALIBRATIONREG MIN D. C. MOTOR CONTROL BOARD SN 4390 - 14974 1000 SERIES GAS OVENSSN 4390 - 14790 1200 SERIES STYLE MIN MAXT 1 T S BOARD P/NSTEPPER CONTROL - ADJUSTMENT S/N 14975 AND ABOVE 1000 SERIES GAS OVENS/N 14792 AND ABOVE 1200 SERIES GAS OVEN REVERSING CONVEYOR DIRECTION SN 100-4389BODINE STEPPER DRIVE SYSTEMMINI CIRCUIT BREAKER BEARING, CONVEYOR SNHALL EFFECT SENSOR – REPLACEMENT BEARING, CONVEYOR SN 2164 AND ABOVETRANSFORMER-STEPPERMOTOR CONTROL DRIVE ENDTEMPERATURE GAUGE - REPLACEMENT THERMISTOR - REPLACEMENTOVEN TEMPERATURE TRANSFORMER, TIME/TEMP. DISPLAYSWITCH SETTINGS ALL 1000 & 1200 SERIES OVENSSWITCH, DISPLAY, SET BOTTOM OF TIME TEMP DISPLAYDip Switch SWITCH REPLACEMENT FAN, HEAT, CONVEYORSWITCH REPLACEMENT - FAN SWITCH UPDATE GAS VALVE - REPLACEMENT AND ADJUSTMENTS IGNITION CONTROL - REPLACEMENT HIGH - LIMIT THERMOSTAT - REPLACEMENTSPARK GENERATOR – REPLACEMENT SOLENOID VALVE – REPLACEMENTBURNER ALARM LIGHT - REPLACEMENT PILOT LIGHT 220V - REPLACEMENTIGNITER SENSOR ASSEMBLY - REPLACEMENT BURNER BLOWER MOTOR – REPLACEMENTTEMPERATURE CONTROL POTENTIOMETER - REPLACEMENT RELAY ASSEMBLY, BURNER BLOWER MOTOR - REPLACEMENTTEMPERATURE CONTROL - REPLACEMENT - TIME DELAY RELAY, 20 MINUTE - REPLACEMENTTHIS PAGE INTENTIONALLY LEFT BLANK LETTER PART NODESCRIPTION BLOW UP / 1000, 1200 – GENERAL Impinger I -–1000Series Service Manual - DomesticPARTS / ACCESS DOOR & 1050 DOOR LETTERPART NO DESCRIPTIONBLOW UP / ACCESS DOOR & 1050 DOOR Impinger I -–1000Series Service Manual - DomesticLETTER PART NODESCRIPTION 369012Impinger I -–1000Series Service Manual - Domestic LETTER DESCRIPTIONBLOW UP 1000, 1001, 1004, 1005 S/N 4390 & ABOVE Impinger I -–1000Series Service Manual - DomesticPARTS / LETTERDESCRIPTION BLOW UP Impinger I -–1000Series Service Manual - DomesticPARTS / LETTERDESCRIPTION Shaft Lock RingBLOW UP / 1040, PARTS / 1200, 1201, 1204 AND LETTERDESCRIPTION BLOW UP / 1200, 1201 Impinger I -–1000Series Service Manual - DomesticPARTS / LETTERDESCRIPTION 369247BLOW UP / 1202, Impinger I -–1000Series Service Manual - DomesticPARTS / LETTERDESCRIPTION FuseholderBLOW UP / 1240, Impinger I -–1000Series Service Manual - DomesticPARTS / OVEN BACK - GAS LETTERDESCRIPTION BLOW UP / OVEN BACK – GAS Impinger I -–1000Series Service Manual - DomesticPARTS / OVEN BACK- ELECTRIC LETTERDESCRIPTION BLOW UP / OVEN BACK – ELECTRIC Impinger I -–1000Series Service Manual - DomesticPARTS / CONVEYOR MOTOR ASSEMBLY S/N 4390 & ABOVE LETTERDESCRIPTION Impinger I -–1000Series Service Manual - Domestic PARTS / SERIES 1000 – CONVEYOR LETTERDESCRIPTION BLOW UP / SERIES 1000 CONVEYOR Impinger I -–1000Series Service Manual - DomesticPARTS / SERIES 1200 - CONVEYOR CONTROL LETTERDESCRIPTION BLOW UP / SERIES 1200 – CONVEYOR CONTROL Impinger I -–1000Series Service Manual - DomesticPARTS / SERIES 1200 – CONVEYOR LETTERDESCRIPTION BLOW UP / SERIES 1200 – CONVEYOR Impinger I -–1000Series Service Manual - DomesticThis page intentionally left blank Impinger I -–1000Series Service Manual - DomesticImpinger I -–1000Series Service Manual - Domestic This page intentionally left blankImpinger I -–1000Series Service Manual - Domestic

1 on 2 on

3 on 4 off 5 off 6 off

- Burner Motor Centrifugal Switch bad.

3 on 4 on 5 off 6 off

- Ignition Control bad.

3 on 4 on 5 on 6 off

- Orifice plugged, or Gas Valve bad.

1 on 2 on 3 on 4 on 5 on 6 on

- Temperature Control bad.