Troubleshooting - Buffalo CJ787 Instruction Manual

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Troubleshooting

A qualified technician must carry out repairs if required.
Fault
The appliance is not
working
No water dispensed
and is flashing
Auto filling failure
The appliance does
not heat up
Indicator lights alarms
Indicator lights On
+
+ +
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Probable Cause
The unit is not switched on
Plug or lead is damaged
Fuse in the plug has blown
Mains power supply fault
Water shortage
Water valve is not open
No water supply or inlet water
pressure is too low
Water level probe failure
Heating elements failure
Electronic control board or
connection failure
Relay disconnection
Status
Flashing Heating elements
disconnection
Flashing quickly Temperature sensor
failure
Flashing quickly Overflow alarm
Flashing quickly Leakage alarm
Flashing quickly Inlet water abnormal
Solution
Check the unit is plugged in correctly and
switched on
Replace plug or lead
Replace the fuse
Check mains power supply
Check water supply is normal and water inlet
hose is not blocked. If problem persists, consult
a qualified Technician
Open the water valve
Check water supply and water pressure
Consult a qualified Technician
Consult a qualified Technician
Consult a qualified Technician
Consult a qualified Technician
Alarm type
Unplug. Let a qualified Technician
check the connection
Unplug. Let a qualified Technician
check the sensor
Unplug. Let a qualified Technician
check the upper water level probe
and Solenoid valve
Unplug. Let a qualified Technician
check the heating elements and
other electrical components
Check water supply is normal and
water inlet hose is not blocked.
If problem persists, consult a
qualified Technician
Solution
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