Troubleshooting) Oven Stops Operation During Cooking - Panasonic NN-GD693S Service Manual

NN-GD693S
8.1.

(Troubleshooting) Oven stops operation during cooking

SYMPTOM
1. Oven stops in 3 seconds
pressing [Start] button
Oven stops in 23 seconds after
pressing [Start] button
Oven stops in 10 seconds after
pressing [Start] button
(Auto sensor cooking)
2. No display and no operation at all.
Fuse is blown.
CAUSE
after No 120V AC is supplied to H.V.Inverter (U) CN702
terminals
H.V.Inverter (U) operates by the control signals
from DPC but magnetron is not oscillating
Steam sensor circuit is not functioning
Most probably loose connection of connectors, or
door latch mechanism is not adjusted properly
1. Interlock Switch
2. Power relay RY1
3. Loose lead wire connector CN701, CN702
4. H.V. Inverter (U)
1. Magnetron
2. Loose lead wire connector CN703
3. H.V. Inverter (U)
1. Steam sensor
2. DPC
3. Open or loose wiring of sensor terminal
from connector CN2 on DPC
1. Allign door, Door Interlock Switches
2. Loose wiring connectors
22
CORRECTIONS