- PROBLEM (A) -
Vent 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?
GOOD
Replace the
circuit board
Replace
RELAY7
- PROBLEM (B) -
Vent fan motor and oven lamp turn on When the door
is
closed and START key is touched.
Measure the voltage at pin NO.
4, 5, 6 of U01
Voltage reading: 0 Vdc
Replace the
circuit board
Defective
RELAY7 or poor
connection of
RELAY7
Defective
RELAY7
Replace
RELAY7 or correct
the connection.
NO
NO
YES
YES
NO
NO
YES
YES
GOOD
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