Error Diagnosis And Check List; Diagnosis And Answer For Abnormal Operation - LG WD-803(4)0(W)(F)(H) Service Manual

9. ERROR DIAGNOSIS AND CHECK LIST

9-1.DIAGNOSIS AND ANSWER FOR ABNORMAL OPERATION

SYMPTOM
NO POWER
Water inlet trouble
no inlet
Pre
Main
WD-803(4)0(W)(F)(H)
WD-803(4)0F(H)(B)
WD-102(4)2F(H)(B)
GUIDE FOR SERVICE CALL
Is the power plug connected firmly
to 220-240V outlet?
YES
Power failure? or Breaker opened?
Is the outlet controlled by a switch.
NO
Visit to check
Is no inlet displayed?
YES
Is the tap opened?
YES
Is the tap frozen?
NO
Is the water supply shut-off?
NO
Is filter in the inlet valve clogged with foreign
material?
NO
Visit to check
26
no inlet
Clean the filter
of inlet valve
YES