57
9. TROUBLESHOOTING
Error Indications and Descriptions
Symptom
Error message
Possible causes
Possible measures
Controller failure
Controller Error
Call for Service
When the set value
stored in the storage
cell cannot be read or
is an abnormal value
Reset ELB on the right side of
unit. If problem persists,
contact original dealer of
purchase.
Water leakage
error
Leak Error
Call for Service
When water contacts
leak sensor.
If water leaks, or accidentally
splashes on the sensor when
replacing consumables, turn
OFF (
○
) ELB and dry leak
sensor (P.59)
If water leaks from the piping,
contact original dealer of
purchase.
Heater overheat
Overheat Error
Call for Service
When temperature of
heater unit exceeds the
abnormality
determination value, or
when the temperature
sensor is interrupted or
short-circuited.
Replace heater.
Heater
interruption or
disconnection
Heater Error
Call for Service
If heater temperature
does not rise after a
certain time has
passed in distilling
operation.
Replace heater.
Tank water level
gauge failure
Tnk Wtr Snsr Err
Call for Service
When float contact
points in water level
gauge are in an
abnormal state.
Replace float switch.
Ion exchanged
water (H) quality
gauge failure
Dionz H Snsr Err
Call for Service
Thermistor sensor of
ion exchanged water
quality gauge
continues being
interrupted/short-circuit
ed for longer than the
abnormality
determination time.
Replace ion exchanged water
quality sensor
Distilled water
quality gauge
failure
Dst Wtr Snsr Err
Call for Service
Thermistor sensor of
distilled water quality
gauge continues being
interrupted/short-circuit
ed for longer than the
abnormality
determination time.
Replace distilled water quality
sensor