Yamato Scientific WG221S Water Purifiers - Manual (Page 38)

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Safety Devices and Error Codes
Displays and Details of Error Code
Safety device Indicators Indication Cause Effect on operation Measure
Detecting
leakage
is lit
Water
leakage
Heaters, solenoid valves
and any other controllers
become off. Turn the breaker off and
check piping parts. (See
P38 for troubleshooting)
Heater
overheat
protection
is lit
Heater
overheat
Heaters, solenoid valves
and any other controllers
become off.
Contact the seller or
Yamato Scientific’s
Technical Service
Department.
Detecting
trouble of
float switch
is lit
Trouble of the
float switch
for distilled
water tank
Heaters, solenoid valves
and any other controllers
become off.
Contact the seller or
Yamato Scientific’s
Technical Service
Department.
Detecting
abnormal
water level
is lit
Abnormal
water level in
the float
receptacle
Heaters, solenoid valves
and any other controllers
become off.
Check if the boiler water
drain valve is open. If this
abnormality is indicated
with the valve closed,
contact the seller or
Yamato Scientific’s
Technical Service
Department.
Detecting
float switch
trouble
is lit
Trouble of the
float switch
for float
receptacle
Heaters, solenoid valves
and any other controllers
become off.
Contact the seller or
Yamato Scientific’s
Technical Service
Department.
Detecting
trouble of the
electric circuit
Indicator(1)
is lit
Trouble in the
electric circuit
Heaters, solenoid valves
and any other controllers
become off.
Contact the seller or
Yamato Scientific’s
Technical Service
Department.
●”TROUBLE” blinks to alarm abnormal situation while the indicator (1) shows a certain error code.