Troubleshooting - LG TD-C70040E Service Manual

TROUBLESHOOTING

10
1. This TEST should be used for Factory test/Service test. Do not use this DIAGNOSTIC TEST other than specified.
2. Activating the Heater manually with Door open may trp the Thermostat attached to the Heater, therefore do not
activate it manually, (Do not press the door switch to operate the heater while the door is open)
Activating the diagnostic test mode
1. Unit must be in Standby (unit plugged in, display off)
2. Press " POWER" while pressing "Buzzer" and "Anti-crease" simultaneously.
Pressing the
"START/PAUSE"button
None
Once
Twice
3 times
4 times
5 times
6 times
7 times
8 times
Data Display
-Tested under normal operation mode.
- Press the "High Temp." and "Anti-Crease" button as follows.
No. of Button pressing
1 time
2 times
3 times
4 times
CHECKING
DISPLAY
ACTION
Electric control
18:83~18:87
70~245
Measured
Motor
Moisture Value
70~245
Measured
Motor
Moisture Value
Current
Motor +
temperature
Heater 1
Current
Motor+Heater 1
temperature
+Heater 2
Motor off +
Water level in
Pump off
sump
70~237
Motor
Measured
Moisture Value
Motor &
ELE
Heater off
Buzzer On
Control Off
Moisture data
Temperature sensed by low temperature thermistor (located under door)
Temperature sensed by High temperature thermistor (located in heater assembly)
Remaining water data by water level sensor
CHECKING
POINTS
Check all leds for operation.
Motor run counterclockwise.
Displays Moisture Sensor Operation: If
moisture sensor is contacted with damp
cloth. The display number is below 180,
in normal condition.
Motor run clockwise.
Displays Moisture Sensor Operation: If
moisture sensor is contacted with damp
cloth. The display number is below 180,
in normal condition.
Motor run clockwise.
Heater run(Display the temperature of
low temperature themistor located
under door.)
Motor run clockwise.
Heater run(Display the temperature of
high temperature thermistor located in
heater assembly.)
Pump run
Motor runs
Displays Moisture Sensor Operation: If
moisture sensor is contacted with damp
cloth. The display number is below 180,
in normal condition.
ELB Sensor
If ELB Sensor is in normal condition,
"ELE" is displayed.
Auto Off
Display
19
REMARK
Model Model Display
Europe 18:83
TD-C70040E/41E/45E
TD-C70040E/45E England 18:84
Europe 18:85
TD-C70042E/46E
TD-C70042E/46E England 18:86
Australia 18:87
TD-C70040E/45E