Troubleshooting Methods According To Error Message - LG WT901CW Service Manual

4-7. TROUBLESHOOTING METHODS ACCORDING TO ERROR MESSAGE

For more detailed information for trouble shooting refer to pages 31 to 42.
ERROR DECISION
ERROR
WATER • WATER LEVEL does
SUPPLY not rise to the set
& INLET level in 40 minutes.
V/V.
• Water is not
DRAINAGE
completely drained
in 10 minutes.
• Laundry unbalance
UNBALANCE
during spin.
• In the second QC
OVER
mode the following
FLOW
message is displayed.
ERROR
CAUSE FOR ERROR
BASIS
• Water faucet is closed?
• Water supply is interrupted.
• Inlet valve is clogged.
• Connector has bad contact to
the inlet valve.
• Yellow (YL) 2 pin connector has
bad contact to the PWB assembly.
• Is the drain hose located
properly?
• Drain hose is not lowered.
• Drain hose is folded or clogged
due to freeze or dirts.
• Bad Drain Motor part or
WHITE (WH) 2 pin connector to
the PWB assembly has bad
connection.
• Laundry in the INNER TUB is
filled unevenly.
• Washer is tilted.
• Is the CONNECTOR of ball
pressure sensor disconnected
or badly tonched?
• Check INLETvalve
OCCURRENCE
28
REMEDY
• Open water faucet.
• Wait until water supply is
resumed.
• Clean or replace filter.
• Correct the connector contact.
• Same as above.
• Hung up drain hose at 0.9-1.3m
high. (For pump)
• Put the hose lower.
(For : Non-pump)
• Unclog the drain hose.
• Replace drain motor or correct
the connector contact.
• Try to fill laundry uniformly in the
inner tub.
• Adjust the leg.
• Check PRESSURE SENSOR
CONNECTOR or replace
PRESSURE sensor