8.1. (Troubleshooting) Oven stops operation during cooking
SYMPTOM
CAUSE
CORRECTIONS
1.
Oven stops in 3 seconds
after
pressing [Start] pad
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] pad
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] pad
(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-SD681S / NN-SN671S / NN-SN661S / NN-SA661S / NN-SA651S / NN-SN651B / NN-SN651W / NN-SA631B / NN-SA631W
Summary of Contents for NN-SA631B
Page 2: ...2 NN SD681S NN SN671S NN SN661S NN SA661S NN SA651S NN SN651B NN SN651W NN SA631B NN SA631W ...
Page 3: ...3 NN SD681S NN SN671S NN SN661S NN SA661S NN SA651S NN SN651B NN SN651W NN SA631B NN SA631W ...
Page 38: ...38 NN SD681S NN SN671S NN SN661S NN SA661S NN SA651S NN SN651B NN SN651W NN SA631B NN SA631W ...
Page 40: ...40 NN SD681S NN SN671S NN SN661S NN SA661S NN SA651S NN SN651B NN SN651W NN SA631B NN SA631W ...
