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
23
NN-GN68KS
Summary of Contents for NN-GN68KS
Page 2: ...2 NN GN68KS...
Page 3: ...3 NN GN68KS...
Page 5: ...1 SCHEMATIC DIAGRAM 5 NN GN68KS...
Page 28: ...8 7 How to check the semiconductors using an OHM meter 28 NN GN68KS...
Page 29: ...9 EXPLODED VIEW AND PARTS LIST 9 1 EXPLODED VIEW 29 NN GN68KS...
Page 36: ...10 DIGITAL PROGRAMMER CIRCUIT 10 1 SCHEMATIC DIAGRAM 36 NN GN68KS...
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