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
120 V AC outlet?
ES
Power failure? or Breaker opened?
Is the outlet controlled by a switch?
NO
Visit to service.
Is
displayed?
ES
Is the tap opened?
ES
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.
18
Clean the filter of
inlet valve
ES