LG F1252RD27 Service Manual ▷ View online
25
FOR AUTHORIZED SERVICE TECHNICIAN
SPIN TROUBLE
ERROR
(1)
(1)
(2)
Rinse
Spin
Check during spin if the frequency of the water
level is 248 or more.
level is 248 or more.
When pressing Rinse, Spin, and Power buttons
at the same time after power, press the
START/PAUSE button 2 times in QC Test mode,
is the drum spinning at low speed?
at the same time after power, press the
START/PAUSE button 2 times in QC Test mode,
is the drum spinning at low speed?
Is it disconnected, or disassembled?
[Red: 3pin (1), NA: 4pin (2)]
[Red: 3pin (1), NA: 4pin (2)]
Resistance of terminal:
About 5Ω -15Ω
Check the motor connector, Is the resistance of
the terminal the same as the figure?
MOTOR TERMINAL
the terminal the same as the figure?
MOTOR TERMINAL
Replace the MAIN PWB ASSEMBLY
Does the spring of Latch Hook actuate?
Is there clicking sound once or twice when the
START/PAUSE button is pressed to start the cycle?
START/PAUSE button is pressed to start the cycle?
Is DOOR SWITCH ASSEMBLY broken?
Check the SENSOR SWITCH
ASSEMBLY or HOSE (Pressure).
If the problem is on the SENSOR
SWITCH ASSEMBLY or the
HOSE, replace the SENSOR
SWITCH ASSEMBLY or the
HOSE.
ASSEMBLY or HOSE (Pressure).
If the problem is on the SENSOR
SWITCH ASSEMBLY or the
HOSE, replace the SENSOR
SWITCH ASSEMBLY or the
HOSE.
Normal
Correct the connection.
Replace the STATOR
ASSEMBLY
ASSEMBLY
Replace Door Assembly.
Check the DOOR SWITCH
ASSEMBLY Connector and
MAIN PWB ASSEMBLY
(Red 3 pin, Yellow 4 pin and
white 3 pin connector (1)).
ASSEMBLY Connector and
MAIN PWB ASSEMBLY
(Red 3 pin, Yellow 4 pin and
white 3 pin connector (1)).
Replace the DOOR
SWITCH ASSEMBLY.
SWITCH ASSEMBLY.
26
WILL NOT CIRCULATE WATER
Is the impeller of the drain pump clogged?
Remove foreign material.
Remove foreign material.
Reconnect or repair
the connector.
the connector.
Replace PUMP MOTOR
ASSEMBLY.
ASSEMBLY.
Replace the MAIN PWB
ASSEMBLY.
ASSEMBLY.
Are the Hose Connector and/or Hose clogged?
Is the connector disconnected, disassembled?
Is the coil of the right side of drain pump open
or short circuited? (Coil R is 18-30 Ω)
or short circuited? (Coil R is 18-30 Ω)
When checking voltage between the
connectors during spin, is the voltage 220-240V
AC, as the figure?
connectors during spin, is the voltage 220-240V
AC, as the figure?
FOR AUTHORIZED SERVICE TECHNICIAN
27
[dHE] ERROR DISPLAY
CHECK FOR DRY HEATER TROUBLE
CHECK FOR DRY FAN HEATER TROUBLE
Is the resistance of 1 thermistors on
dry duct 2.5kΩ ~ 180kΩ (at 105
~ 0
)
Replace the thermistor.
Clean the bellows
Disassemble the cabinet cover and
condensing bellows.
Is there any foreign object in condensing
bellows.
Disassemble the dry fan assy and dry duct
upper, and clean foreign object in duct and
fan.
FOR AUTHORIZED SERVICE TECHNICIAN
28
DRY HEATER TROUBLE
Are receptacles correctly connected to
the terminals of the DRY DUCT
ASSEMBLY?
the terminals of the DRY DUCT
ASSEMBLY?
After power off, is the resistance of
dry heater 10 ~ 40Ω?
dry heater 10 ~ 40Ω?
Reconnect the
receptacle
Replace the dry heater.
Replace the thermostat.
Replace the
PWB ASSEMBLY(Main)
PWB ASSEMBLY(Main)
When checking voltage between connectors
(
(
,
) on drying, is the voltage
AC 220-240V as the figure?
(wire color :
(wire color :
-YL ,
- BK)
Is thermostat closed?
FOR AUTHORIZED SERVICE TECHNICIAN
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