8.1. (Troubleshooting) Oven stops operation during cooking
SYMPTOM
CAUSE
CORRECTIONS
1.
Oven stops in 3 seconds
after
pressing [Start] pad (button)
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 (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] pad (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
20
NN-SE995S / NN-SD985S / NN-ST965S
Summary of Contents for NN-SD985S
Page 2: ...2 NN SE995S NN SD985S NN ST965S ...
Page 3: ...3 NN SE995S NN SD985S NN ST965S ...
Page 5: ...1 SCHEMATIC DIAGRAM 5 NN SE995S NN SD985S NN ST965S ...
Page 27: ...8 7 How to check the semiconductors using an OHM meter 27 NN SE995S NN SD985S NN ST965S ...
Page 28: ...9 EXPLODED VIEW AND PARTS LIST 9 1 EXPLODED VIEW 28 NN SE995S NN SD985S NN ST965S ...
Page 38: ...38 NN SE995S NN SD985S NN ST965S ...
Page 39: ...39 NN SE995S NN SD985S NN ST965S ...
Page 40: ...10 2 SCHEMATIC DIAGRAM NN ST965S 40 NN SE995S NN SD985S NN ST965S ...
Page 41: ...41 NN SE995S NN SD985S NN ST965S ...
Page 42: ...10 3 SCHEMATIC DIAGRAM NN SD985S 42 NN SE995S NN SD985S NN ST965S ...
