Troubleshooting; Safety Caution; Error Mode Summary - LG WM2701H Series Service Manual

8. TROUBLESHOOTING

8-1. SAFETY CAUTION

There's built-in AC 120V and DC power in output terminal of PWB assembly in common. Be careful
electric shock when disconnecting parts while trouble shooting. (Wear Electro Static Discharge gloves
when working.)
After cutting off the power when changing PWB assembly, disconnect or assemble.
Be careful static when handling PWB assembly, and use Electro Static Discharge plastic pack when
delivering or keeping it.
8-2. ERROR MODE SUMMERY
If you press the START/PAUSE button when an error is displayed, any error except
disappear and the machine will go into the pause status.
In case of ,
if the error is not resolved within 4 min., power will be turned off automatically and the error code will
blink. But in the case of
ERROR
WATER INLET
1
ERROR
IMBALANCE
2
ERROR
DRAIN
3
ERROR
OVER FLOW
4
ERROR
PRESSURE
5
SENEOR
ERROR
DOOR OPEN
6
ERROR
HEATING
7
ERROR
, if the error is not resolved within 20 sec., or the in case of other errors,
, power will not be turned off.
SYMPTOM
• Correct water level (246) is not reached within 8 minutes
after water is supplied or it does not reach the preset water
level within 25 minutes.
• The load is too small.
• The appliance is tilted.
• Laundry is gathered to one side.
• Non distributable things are put into the drum.
• Not fully drained within 10 minutes.
• Water is overflowing (water level frequency is over 213).
If
the water automatically.
• The SENSOR SWITCH ASSEMBLY is out of order.
• Door not all the way closed.
• Loose electrical connections at Door switch and PWB
Assembly.
• The DOOR SWITCH ASSEMBLY is out of order.
• The THERMISTOR is out order.
21
CAUSE
is displayed, the drain pump will operate to drain
will