TROUBLE SHOOTING GUIDE

Following the procedure below to check if the oven is defective or not.

1)Check grounding before trouble shooting.

2)Be careful of the high voltage circuit.

3)Discharge the high voltage capacitor.

4)When checking the continuity of the switches, fuse or high voltage tranformer, disconnect one load wire from these parts and check continuity with the AC plug removed. To do otherwise may result in a false reading or damage to your meter.

NOTE : When electric parts are checked, be sure the power cord is not inserted the wall outlet.

Check wire harness, wiring and connection of the terminals and power cord before check the parts listed below.

(TROUBLE 1) Oven does not operate at all : any inputs can not be accepted.

CONDITION

Fuse blows.

 

CHECK

 

 

 

RESULT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check continuity of interlock

 

 

 

Continuity

 

 

 

 

 

 

 

monitor switch with door closed

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No Continuity

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace fuse

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CAUSE

Malfunction of interlock monitor switch

REMEDY

Replace

NOTE 1

Check continuity of of primary interlock switch contact with door

partially open until interlock monitor switch contact close

Check continuity of primary winding of low voltage transformer

Continuity

0or infinite

Approx.

260~320

(normal)

Shorted contacts of primary interlock switch.

Defective low voltage transformer

Replace

NOTE 1

Replace

Disconnect one side of the lead wire connected form high voltage transformer to the high voltage capacitor and operate the unit

Normal

Fuse again

blows

Defective high voltage capacitor

Defective high voltage transformer

Replace

Replace

20

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GE TMW-1100EC, TMW-800TC, TMW-1100MC manual Trouble Shooting Guide, Condition, Check Result, Cause, Remedy

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