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8. ERROR DIAGNOSIS AND CHECK LIST
8-1.DIAGNOSIS AND SOLUTION FOR ABNORMAL OPERATION
SYMPTOM
No power
Water inlet trouble
GUIDE FOR SERVICE CALL
Is the power plug connected firmly to
120V AC outlet?
YES
Power failure? or Breaker opened?
Is the outlet controlled by a switch?
NO
Visit to service.
Is
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 service.
22
Clean the filter of
inlet valve
YES
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Troubleshooting
