Troubleshooting; Safety Caution; Error - LG WM2501H 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 will
disappear and the machine will go into the pause status.
• In case of , , if the error is not resolved within 20 seconds, or the in case of other
errors, if the error is not resolved within 4 minutes, power will be turned off automatically and the error
code will blink. But in the case of , power will not be turned off.
ERROR
WATER INLET
ERROR
IMBALANCE
2
ERROR
DRAIN
3
ERROR
OVER FLOW
4
ERROR
5
6
7
PRESSURE
SENEOR
ERROR
DOOR OPEN
ERROR
HEATING
ERROR
SYMPTOM CAUSE
• 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
is displayed, the drain pump will operate to drain
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.
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