GE JVM1790SK Service Manual - Page 31

Checkout Procedures For Relay.

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Page 31 highlights

(2) CHECKOUT PROCEDURES FOR RELAY. - PROBLEM (A) FAN motor and oven lamp turn on without touching START key when the door is closed. NO YES GOOD Remove the mate connector of I/O CON from the circuit board. Does the unit still operate? NO YES Replace the circuit board Defective RELAY1 Replace RELAY1 - PROBLEM (B) FAN motor and oven lamp turn on When the door is closed and START key is touched. YES NO GOOD Replace the circuit board 7-20

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7-20
(2) CHECKOUT PROCEDURES FOR RELAY.
- PROBLEM (A) -
FAN motor and oven lamp turn on without touching
START key when the door is closed.
Remove the mate connector of I/O
CON from the circuit board.
Does the unit still operate?
Replace the
circuit board
Replace
RELAY1
NO
NO
YES
YES
GOOD
Defective
RELAY1
- PROBLEM (B) -
FAN motor and oven lamp turn on When the door is
closed and START key is touched.
Replace the
circuit board
YES
NO
GOOD