Yamato WG270, Инструкция по эксплуатации, Страница: 59 / 71

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In the Event of Failure…
Failure indication and Its Contents
Others Indication Cause Symptom Countermeasure
Boiler drain
error
Boiler Water
Waste Error
Service Call
When the heater
operation water level
input kept OFF even if
the time for required
to evaluate the boiler
water level error
passed after starting
water supply to the
boiler
All controls of the
heater and
solenoid valve
are turned OFF.
Check the
solenoid valve for
drain and drain
path.
Coolant error
A Coolant Error
Service Call
When the state that
became boiler water
overflow input ON in
the float pipe
continued longer than
coolant error
judgment time Check the
coolant solenoid
valve and the
coolant path.
Water level
error of boiler
Boiler Water
Level Error
Service Call
When the heater
operation water level
input kept OFF even if
the time for required
to evaluate the boiler
water level error
passed after starting
water supply to the
boiler
Check the
feedwater
solenoid valve
and feedwater
path whether
manual drain
cock is opened or
not.
Water level
meter of
boiler error
Boiler Water
Sensor Error
Service Call
When the condition of
the float contacting
points in the float pipe
becomes abnormal Change the float
switch.
Circulation
pump error
PUMP Erroe
Service Call
When the time has
elapsed for the period
necessary to
determine error
during ion water
circulation Turn ON the
breaker again
and sample the
ion water for
about one
minute.
If error cannot be
canceled,
request repair.
Distilled
water
sampling
pump error DW PUMP Error
Service Call
When the time has
elapsed for the period
necessary to
determine error
during sampling of
distilled water
Check the
distilled water
pump and the
sampling route.
Check the
membrane filter
for clogging. If
error cannot be
canceled, request
repair.

When an error occurs, confirm the error message shown at the message window, and call the shop from
which you made a purchase or our customer support center.