(2)CHECKOUT PROCEDURES FOR RELAY.
-PROBLEM (A) -
TT 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
RELAY3
Replace
RELAY3
- PROBLEM (B) -
TTmotor and oven lamp turn on When the door is closed and START key is touched.
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| YES |
|
|
|
|
|
| NO |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
GOOD | Measure the voltage at pin NO. | ||||||||||||
4 of U01 |
|
|
|
|
|
| |||||||
|
|
|
|
|
|
|
|
|
| ||||
|
|
|
| Voltage reading: 0 Vdc | |||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| NO |
|
| |||||
|
|
|
|
|
|
|
|
|
|
| YES | ||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Replace the circuit board
Defective
RELAY3 or poor
connection of
RELAY3
Replace
RELAY3 or correct
the connection.
