LG MC-3089NBC Service Manual page 29

(TROUBLE 8) Display shows error mode
CONDITION
Display shows
"E01"
CONDITION
Display shows
"E02"
LGE Internal Use Only
CHECK
Check the
connnection
between
thermistor and
P.C.B. assembly
Check the
thermistor
CHECK
Check the
connnection
between
Thermistor and
P.C.B. assembly
Check the
thermistor
Check the heater
RESULT
No continuity Loose connection
Continuity
Defective thermistor
Abnormal.
(Thermistor shorted)
Defective
Normal.
P.C.B Assembly
RESULT
No continuity Loose connection
Continuity
Defective thermistor
Abnormal.
(Thermistor opened)
Normal.
Defective heater
Abnormal.
(Heater opened)
Defective
Normal.
P.C.B. Assembly
5-19
CAUSE
Connect them
tightly
Replace the
thermistor
Replace the
P.C.B. assembly
CAUSE
Connect them
tightly
Replace the
thermistor
Replace the
heater
Replace the
P.C.B. Assembly
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
REMEDY
REMEDY