7.1. (Troubleshooting) Oven stops operation during cooking
SYMPTOM CAUSE CORRECTIONS
1. Oven stops in 3 seconds after
pressing [start] pad.
No input AC is supplied to H.V.Inverter (U)
CN702 terminals
1.
2.
3.
Latch Switch
Power relay RY1
Loose lead wire connector CN701, CN702
Oven stops in 23 seconds after
pressing [start] pad.
H.V.Inverter (U) operates by the control signals
from DPC but magnetron is not oscillating
1.
2.
Magnetron
Loose lead wire connector CN703
Oven stops in 1 minute after
pressing [start] pad.
Oven thermistor circuit is not functioning 1.
2.
Oven thermistor
Loose wiring
2. No display and no operation at all.
Fuse is blown.
Most probably loose connection of connectors,
or door latch mechanism is not adjusted properly
1.
2.
Align door, Door Latch Switches
Loose wiring connectors
26
NN-DF383B
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