Diagnostic Test - LG DLEX3885 Series 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
Twice
3 times
4 times
5 times
Motor, Pump, Heater2 off
6 times
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
&
Temperature sensor
Motor+Controller
ELECTRIC TYPE
Motor+Heater1(2700W)
GAS TYPE
Motor
ELECTRIC TYPE
Motor+Heater1+Heater2
(5400W)
GAS TYPE
Motor+Gasvalve
Motor+Pump+
Heater2(runs for 1sec)
(Heater1 off)
Loads, Controller off
DISPLAY
LQC TEST MODE
GAS or ELECTRIC
VERSION
ELECTRODE : XXX
TEMPERATURE1 : XXX
SG TEMP. : XXX SG PUMP : XXX
SG Short : XXX SG LONG : XXX
HUMIDITY : XXX
TEMPERATURE2 : XXX
tE1
tE2
tE4
30 = Low
Displays Moisture Sensor Operation
moisture
If moisture sensor is contacted with
239 = High
damp cloth. The display number is
moisture
below180innormalcondition
Current Temp.
(5~70)
Current Temp.
(5~70)
Pump AD valve
(11~255)
E5
OO
25
CHECKPOINT
Standard
Thermistor open
Thermistor shorted
AG Thermistor open or shorted
Motor runs
ELECTRIC TYPE Heater 1 is energized
- 2700 W
GAS TYPE is not opened
(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
the drum is displayed in degrees C.)
DUAL SENSOR FAILURE CHECK :
Values of TEMPERATURE2 and HUMIDITY are
'000', the display shows SE ERROR.
Pump runs
Pump Error
Power off