8.1. (Troubleshooting) Oven stops operation during cooking
SYMPTOM
CAUSE
CORRECTIONS
1.
Oven stops in 3 seconds
after
pressing [Start] button
No 120V AC is supplied to H.V.Inverter (U) CN702
terminals
1. Interlock Switch
2. Power relay RY1
3. Loose lead wire connector CN701, CN702
4. H.V. Inverter (U)
Oven stops in 23 seconds
after
pressing [Start] button
H.V.Inverter (U) operates by the control signals
from DPC but magnetron is not oscillating
1. Magnetron
2. Loose lead wire connector CN703
3. H.V. Inverter (U)
Oven stops in 10 seconds
after
pressing [Start] button
(Auto sensor cooking)
Steam sensor circuit is not functioning
1. Steam sensor
2. DPC
3. Open or loose wiring of sensor terminal
from connector CN2 on DPC
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. Allign door, Door Interlock Switches
2. Loose wiring connectors
22
NN-GD693S
Summary of Contents for NN-GD693S
Page 2: ...2 NN GD693S ...
Page 3: ...3 NN GD693S ...
Page 5: ...1 SCHEMATIC DIAGRAM 5 NN GD693S ...
Page 27: ...8 7 How to check the semiconductors using an OHM meter 27 NN GD693S ...
Page 28: ...9 EXPLODED VIEW AND PARTS LIST 9 1 EXPLODED VIEW 28 NN GD693S ...
Page 30: ...Ref No Part No Part Name Description Pcs Set Remarks 65 F03349X90RP MENU LABEL 1 30 NN GD693S ...
Page 35: ...10 DIGITAL PROGRAMMER CIRCUIT 10 1 SCHEMATIC DIAGRAM 35 NN GD693S ...
Page 36: ...36 NN GD693S ...
