(2) CHECKOUT PROCEDURES FOR RELAY.

- PROBLEM (A) -

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) -

Oven lamp turn on When the door is closed and

START key is touched.

 

YES

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

GOOD

Measure the voltage at pin NO.

35 of U01

 

 

 

 

 

 

 

 

Voltage reading: -5 Vdc

 

 

 

 

 

 

 

 

 

NO

 

YES

 

 

 

 

 

 

Replace the circuit board

Defective

RELAY1 or poor

connection of

RELAY1

Replace

RELAY1 or correct

the connection.

7-19

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Kenmore 721.626444, 721.805944, 721.805934, 721.805924, 721.626434, 721.626424 manual Checkout Procedures for Relay Problem a

721.626444, 721.805994, 721.626494, 721.626424, 721.626434 specifications

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