SYMPTOM
GUIDE FOR SERVICE CALL
NO POWER
Water inlet trouble
16
8-1.DIAGNOSIS AND ANSWER FOR ABNORMAL OPERATION
8. ERROR DIAGNOSIS AND CHECK LIST
YES
YES
YES
NO
NO
YES
NO
NO
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 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