Diagnostic Test - LG DLGX3371W Service Manual

10

DIAGNOSTIC TEST

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 the door open may trip 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 MORE TIME and LESS TIME simultaneously.
3. Press START/PAUSE button to advance through diagnostics.
Pressing the
START/PAUSE
None
Once
ELECTRIC TYPE
Motor+Heater 1(2700 W)
Twice
GAS TYPE
Motor
ELECTRIC TYPE
Motor+Heater 1+Heater 2
(5400 W)
3 times
GAS TYPE
Motor+Gasvalve
Heater 2(runs for 1 second)
4 times
5 times Motor, Pump, Heater 2 off
6 times
Loads off, Controller off
To check pump operation:
When pressed 4 times in the test mode, If the AD value of the pump is higher than 10 on the display, the pump is normal.
If it is lower than 10, E5 error will be displayed.
CHECKING
ACTION
Electric control
and
Temperature sensor
Motor+Controller
Motor+Pump+
(Heater 1 off)
DISPLAY
1nES(Elec Type)
1n9S(Gas Type)
U03
MAIN PGM ver(1nES - U03 - d02)
d02
tE1
tE2
tE4
nC
nU
255 = Low
Displays Moisture Sensor Operation
moisture
If moisture sensor is contacted with
30 = High
damp cloth. The display number is
moisture
below180 under normal circumstances.
ELECTRIC TYPE Heater 1 is energized
- 2700 W
Current Temp.
GAS TYPE is not opened
(5~70)
(Temperature in the drum is displayed in
degrees C.)
ELECTRIC TYPE: Heater 1 and heater 2 are
energized - 5400 W
GAS TYPE: Gas valve is energized (Temperature in
Current Temp.
the drum is displayed in degrees C.)
(5~70)
DUAL SENSOR FAILURE CHECK :
Values of TEMPERATURE and HUMIDITY are
'000', the display shows SE ERROR.
Pump AD valve
(11~255)
E5
OO
35
CHECKPOINT
Standard
DISPLAY PGM
Thermistor open
Thermistor shorted
AG Thermistor open or shorted
NFC module open or shorted
NFC module
Motor runs
Pump runs
Pump Error
Power off