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Thermistor (on duct) sensies
a temperature of 120°C or
higher.
Display
E-21
E-31
Thermistor (on Magnetron) or
thermistor (on Duct) is
shorted.
Trouble Other Symptom
Solution
Check and remove the cause of the cav-
ity fire or abnormal overheating.
This error function will be cancelled when
the power cord is unplugged.
Check for short-circuit of thermistor
itself or wire insulation of thermistor.
This error function be cancelled when the
power cord is unpluged.
E-32
Thermistor (on Magnetron) or
thermistor (on Duct) is opened.
C. ERROR INDICATION
The Display will show an error indication for self-diagonosis as follows.
“E” means that a service technician is required .
“U” means that user can correct the operation.
CONDITION TROUBLE CHECK RESULT REMEDY
U-10
Thermistor (on Magnetron)
senses a temperature of 200°C
or higher.
U-50
The key for “Start” is not
touched within 1 minute after
the door is opened or closed .
Oven stops heating.
Buzzer continuously beeps.
Blower motor will stop
immediately.
Oven stops heating.
Buzzer does not beep.
Blower motor will stop
immediately.
Oven stops heating.
Buzzer does not beep.
Blower motor is operated.
Oven stops heating.
Buzzer continuously
beeps.
Blower motor will stop
immediately.
Check for open-circuit of thermistor
itself or improper connection of wire
socket of thermistor.
This error function be cancelled when the
CLEAR key is touched.
Check and remove cause of abnormal
overheating (such as operation with
no food).
This error function will be cancelled when
the CLEAR key is touched.
This error function will be cancelled
when the door is opened and closed.
(Remark:
The purpose of this func-
tion is to avoid accidental
operation while the user is
not attempting to operate
the oven.)
Low microwave
output
Magnetron
Poor
oscillation
Uneven heating
Gear motor
Rotation has
stopped.
See “HINT”
on page 10
Rotation of top or
bottom antenna
Repair or
replace
°