43
In the Event of Failure…
Failure indication and Its Contents
Error Indication
Cause
Symptom
Countermeasure
Controller error
Controller Error
Service Call
When the setting value
which is memorized in the
memory chip cannot be
read properly, or when an
abnormal value is
displayed
Turn the breaker on
again. If the trouble
persists, please call
our customer
service center.
Water leakage
error
Leak Error
Service Call
When the resistance
value of the water leakage
sensor input becomes
less than the water
leakage error judgment
value
Turn the breaker off
and check the
piping parts. For
details, refer to page
45.
Overheat of
heater
Over Heat Error
Service Call
When temperature at the
heater excesses the error
judgment value, or when
breakage or shortage
occurs on the temperature
sensor
Change the heater.
Burnout of
heater
Heater Error
Service Call
When temperature of the
heater did not rise after
certain time passed
during distillation
Change the heater.
Tank water level
meter error
Tank Water
Sensor Error
Service Call
When the condition of
the float contacting points
in the tank water level
meter becomes abnormal
Change the float
switch.
Pure water
conductivity
meter (S) error
Ion-Exchange-S
Sensor Error
Service Call
When the state of
breakage or shortage of
the thermistor sensor for
pure water conductivity
gauge continues longer
than error judgment time
Change the pure
water conductivity
sensor.
Distilled water
conductivity
meter error
Distilled Water
Sensor Error
Service Call
When the state of
breakage or shortage of
the thermistor sensor for
distilled water conductivity
gauge continues longer
than error judgment time
All controls
of the heater
and solenoid
valve are
turned OFF.
Change the distilled
water conductivity
sensor.
