Samsung NZ64F3NM1AB Service Manual page 25

4-3 Electrical Malfunction
Ensure that the airflow
is smooth.
Replace the fan.
The Cooking Mode indicator comes on, but heating does not start
Yes
Check if the Air Intake or
Air Vent is blocked.
No
Check if the fan runs
smoothly.
No
Push "ON/OFF" button to restart
unit, does the symptom continue?
The power board is damaged
Replace the Power board.
Perform the operation again and check if
it is working properly.
No
Yes
Yes
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