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B. TROUBLESHOOTING
CONDITION
Power is applied with
normal voltage
Timer is set
Touch Select key
TROUBLE
CHECK
Connection of
S110 to S107
No display
cooking time
Cooking opera-
tion will not start
Oven dose not
heat up
Fuse(10A) blows
off immediately
- 8 -
Power circuit board
(See page 6)
Control circuit
board
(See page 6)
Primary
Interlock switch
(See page 7)
Thermal protector
Door sensing
switch
(See page 7)
Control circuit
board
(See page 6)
Control
circuit board
(See page 6)
H.V Transformer
(See page 4)
H.V Capacitor
(See page 5)
Magnetron
(See page 4)
Monitor switch
(See page 7)
Blower motor
Step-down
Transformer
RESULT
REMEDY
Poor Contact
Reconnect
Voltage
Replace
incorrect
Voltage
Replace
incorrect
No continuity
Replace
No continuity
Replace
No continuity
Replace
Voltage
Replace
incorrect
Voltage
Replace
incorrect
Resistance
Replace
incorrect
Resistance
Replace
incorrect
Resistance
Replace
incorrect
Contact on
Replace or
No continuity
Adjust
Shorted
Replace
Shorted
Replace
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