TROUBLESHOOTING GUIDE / ELECTRIC OVENS

MODEL 1130-000-A

208 VAC

SINGLE PHASE

60 HZ

MODEL 1131-000-A

240 VAC

SINGLE PHASE

60 HZ

MODEL 1132-000-A

208 VAC

THREE PHASE

60 HZ

MODEL 1133-000-A

240 VAC

THREE PHASE

60 HZ

 

REFER TO PROPER SCHEMATIC FOR IDENTIFIED COMPONENTS

 

 

 

SYMPTOM

POSSIBLE CAUSE

EVALUATION

Oven fan will not run

Incoming Power Supply

Check circuit breakers. Rest if required. Call

 

 

power company in needed.

 

Fuses, 10 Amp, Fan and

Check, replace if necessary.

 

Controls

 

 

Fuseholder

Check, replace if necessary.

 

Control Box High Limit

Terminals are normally closed, but open at 140°F ±

 

Thermostat

5°F (60°C ± 2.8°C). Check for over heating and

 

 

reset thermostat. Test for proper operation. If it will

 

 

not reset and hold, then replace.

 

Switch, Main Fan

Check for continuity between switch terminals.

 

Main Fan Motor

Check for opens, shorts, or grounds. WITH

 

 

POWER OFF: Turn fan blade to check for locked

 

 

rotor.

 

Capacitor

Check for opens, shorts, or grounds.

No control box cooling

 

Check for main fan operation. If not operating, refer

 

 

to "Oven Fan Will Not Run".

 

Cooling Fan Motor

208/240 VAC should be present at the fan motor. If

 

 

voltage is present, check for opens or shorts.

 

 

WITH POWER OFF: Check for locked rotor of the

 

 

fan motor.

No automatic control

Incoming Power Supply

Check circuit breakers. Reset if required. Call

box cooling

 

power company if needed.

 

Thermostat, Cooling Fan

This normally open thermostat should close when

 

 

the temperature in the control box reaches 120°F

 

 

(48.9°C). If thermostat does to close, replace.

 

Cooling Fan Motor

208/240 VAC should be present at the fan motor. If

 

 

voltage is present, check for opens or short. WITH

 

 

POWER OFF: Check for locked rotor of the fan

 

 

motor.

Control box cooling fan

Thermostat, Cooling Fan

This normally open thermostat should close at

continues to run

 

120°F (48.9°C) and reopen at 100°F (37.8°C).

Oven will not heat

Main Fan Motor

Check for main fan operation. If it is not operating,

 

 

refer to "Oven fan will not run".

 

Air Pressure Switch

This normally open switch should close when the

 

 

main fan is activated. Adjust if necessary (Refer to

 

 

page 23). Replace if defective.

 

Hi-Limit Thermostat Oven

Terminals are normally closed. If open, reset and

 

Cavity

test oven for proper operation. If thermostat will not

 

 

hold for maximum oven temperature, and oven is

 

 

not exceeding temperature dial setting, check for

proper location of capillary bulb in its spring holder. If above checks okay, replace hi-limit thermostat.

Impinger II –Advantage Service Manual - Domestic

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Lincoln II - Advantage Series service manual Troubleshooting Guide / Electric Ovens, Single Phase, Three Phase