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9-1.DIAGNOSIS AND ANSWER FOR ABNORMAL OPERATION
SYMPTOM GUIDE FOR SERVICE CALL
NO POWER
Water inlet trouble
YES
YES
YES
NO
NO
YES
NO
NO
no inlet
no inlet
Is the power plug connected firmly
to 220-240V outlet?
Power failure? or Breaker opened?
Is the outlet controlled by a switch.
Visit to check
Is no inlet displayed?
Is the tap opened?
Is the tap frozen?
Is the water supply shut-off?
Is filter in the inlet valve clogged with foreign
material?
Visit to check
Clean the filter
of inlet valve
9. ERROR DIAGNOSIS AND CHECK LIST
Pre
Main
WD-803(4)0(W)(F)(H)
WD-803(4)0F(H)(B)
WD-102(4)2F(H)(B)