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7-2 Basic Check Summary
Symptom : no heating(F9)
-. Check : All heater relays and
Symptom : Oven hot(F6)
-. Check: All heater relays are
SVC TEST MODE
DLB relay are open
open/shorted
Relay PCB
SMPS PCB
Symptom : Sensor error or
no heating (F1,F2)
-. Check : Sensor resistance
Symptom : Oven lamp not
operating
-. Check the Lamp coil's resistance
Symptom : Conv. Fan open(F7)
-. Check : All Conv. fan relays
Main system PCB
Symptom :
Door lock fail (F10)
-. Check : relative part
7-3
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