LG RC7055*P*Z, Service Manual

Page: 24 / 55

DIAGNOSTIC TEST 10
Test 1 : ELECTRIC SUPPLY & CONTROL CHECK
Trouble Symptom : No power to the dryer or the controller
Measurement condition : Power is on.
[ Caution] Electric shock. Please test after grounding check.
Power voltage is within
standard range
(AC 215V~245V)? • Check the
- Circuit breaker
• Check after disconnecting
Yellow relay and Black relay
connector of Main PCB.
• Check the range of Blue and
Brown wire is within AC 215
~245V?
• Check the short of
harness assembly and
the connection.
• Check or replace the Power
cord.
• Check or replace the Noise
filter.
• Check or replace the
Controller.
24