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 RL1
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
20
NN-SE795S / NN-ST785S / NN-ST775S / NN-ST765S / NN-SD765S / NN-SD755S
Summary of Contents for NN-SE795S
Page 2: ...2 NN SE795S NN ST785S NN ST775S NN ST765S NN SD765S NN SD755S...
Page 3: ...3 NN SE795S NN ST785S NN ST775S NN ST765S NN SD765S NN SD755S...
Page 5: ...1 SCHEMATIC DIAGRAM 5 NN SE795S NN ST785S NN ST775S NN ST765S NN SD765S NN SD755S...
Page 39: ...39 NN SE795S NN ST785S NN ST775S NN ST765S NN SD765S NN SD755S...
Page 40: ...40 NN SE795S NN ST785S NN ST775S NN ST765S NN SD765S NN SD755S...
Page 42: ...42 NN SE795S NN ST785S NN ST775S NN ST765S NN SD765S NN SD755S...
Page 44: ...44 NN SE795S NN ST785S NN ST775S NN ST765S NN SD765S NN SD755S...
