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8-1.DIAGNOSIS AND ANSWER FOR ABNORMAL OPERATION
8. ERROR DIAGNOSIS AND CHECK LIST
SYMPTOM GUIDE FOR SERVICE CALL
NO POWER
Water inlet trouble
Is the power plug connected firmly to
220-240V~ outlet?
Power failure? or Breaker opened?
Visit to check
Is " " 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