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Power with normal
voltage is applied. Place
a cup of water inside
microwave oven
Shorted
Replace
B. TROUBLESHOOTING
CONDITION TROUBLE CHECK RESULT REMEDY
* “TIME”,”1”,”0” ,”0”
and “START” keys
are touched
Fuse(10A) blows
off immediately
Step down
Transformer
No display
cooking time
H.V Capacitor
Connection of FPC
from Touch key
board
Touch key board
(See page 6)
Power circuit board
(See page 7)
Control circuit
board
(See page 7)
Cooking ope-
ration will not
start
Oven does not
heat up
Door sensing
switch
(See page 7)
Interlock switch
(See page 7)
Control circuit
board
(See pages 7 & 23)
See “HINT” on page
10
Shorted
Replace
Incorrect
Reconnect
Voltage
incorrect
Replace
Resistance
incorrect
Replace
Voltage
incorrect
Replace
No continuty
No continuty
Voltage
incorrect
Replace
Replace
Replace
* Note:Oven will not accept settings of 60 through to 99 seconds.
TIME must be entered as 1 minute and 39 seconds for 99 seconds.