Buffalo CJ787 - Troubleshooting

8
EN
Troubleshooting
A qualified technician must carry out repairs if required.
Fault Probable Cause Solution
The appliance is not
working
The unit is not switched on Check the unit is plugged in correctly and
switched on
Plug or lead is damaged Replace plug or lead
Fuse in the plug has blown Replace the fuse
Mains power supply fault Check mains power supply
No water dispensed
and
is flashing
Water shortage Check water supply is normal and water inlet
hose is not blocked. If problem persists, consult
a qualified Technician
Auto filling failure Water valve is not open Open the water valve
No water supply or inlet water
pressure is too low
Check water supply and water pressure
Water level probe failure Consult a qualified Technician
The appliance does
not heat up
Heating elements failure Consult a qualified Technician
Electronic control board or
connection failure
Consult a qualified Technician
Relay disconnection Consult a qualified Technician
Indicator lights alarms
Indicator lights On Status Alarm type Solution
Flashing Heating elements
disconnection
Unplug. Let a qualified Technician
check the connection
Flashing quickly Temperature sensor
failure
Unplug. Let a qualified Technician
check the sensor
+
Flashing quickly Overflow alarm Unplug. Let a qualified Technician
check the upper water level probe
and Solenoid valve
+ +
Flashing quickly Leakage alarm Unplug. Let a qualified Technician
check the heating elements and
other electrical components
Flashing quickly Inlet water abnormal Check water supply is normal and
water inlet hose is not blocked.
If problem persists, consult a
qualified Technician
CJ787_ML_A5_v1_20231227.indb 8CJ787_ML_A5_v1_20231227.indb 8 2023/12/27 14:142023/12/27 14:14