Buffalo CP793 Instruction Manual page 7

Troubleshooting
Error indications
HEATING
Temperature sensor
indicator light under the oil tank
flashes twice is either shorted-
continuously circuited or open-
circuited. Buzzer
alarms.
HEATING
Input voltage
indicator light exceeds the allowed
flashes 3 times Max/Min rating
continuously
HEATING Temperature sensor
indicator light in the oil tank is
flashes 4 times either shorted-
continuously circuited or open-
circuited. Buzzer
alarms.
Fault
Appliance not The unit is not switched on
working
Plug and lead are damaged
Fuse in the plug has blown
Power supply
Internal wiring fault
Appliance stops Safety switch is activated
working suddenly
Appliance does Faulty thermostat
not reach set
Faulty element
temperature
Build-up of fat on the element
Appliance heats up Indicator light has expired
but indicator light
does not come on
Power indicator Faulty thermostat
light comes on but
Faulty element
appliance does not
heat up Thermostat set incorrectly
Appliance slow to Build-up of fat in the tank
heat up
CP793_CT012_ML_A5_v3_20180927.indb 7
Description Probable Cause
Temperature sensor
is defective
Electrical installation
is not in order
Temperature sensor
is defective
Probable Cause
Solution
1. Unit overheated.
2. Let it cool.
Note: If it occurs frequently, call
BUFFALO agent or qualified technician
Have a qualified electrician check it.
1. Unit overheated.
2. Let it cool.
Note: If it occurs frequently, call
BUFFALO agent or qualified technician
Solution
Check the unit is plugged in correctly and
switched on
Call BUFFALO agent or qualified Technician
Replace the plug fuse
Check power supply
Call BUFFALO agent or qualified technician
Call BUFFALO agent or qualified technician
Call BUFFALO agent or qualified technician
Call BUFFALO agent or qualified technician
Clean the appliance
Call BUFFALO agent or qualified technician
Call BUFFALO agent or qualified technician
Call BUFFALO agent or qualified technician
Check and re-set the thermostat
Clean the appliance
UK
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2018/9/27 09:54