9
Safety devices will keep monitoring the operation status of appliance. If a fault occurs, a fault code will
be displayed on the temperature display. Please quote the code displayed when contacting customer
service.
In general cases, fault may be eliminated by turning off and then turning on the hot water tap again. If
the fault cannot be eliminated, try to turn off the power supply and wait for 10 seconds before turning on
the appliance again. If the fault still persists, please contact Towngas Customer Service Hotline on
2880 6988.
In cold and humid weather, cloudy mist may occasionally emerge from the flue terminal. The white mist
is the condensate of water vapour in flue gases. This is a normal phenomenon.
Trouble Shooting
Fault
Code
Details of Failure Remedy
10
Abnormal air supply and flue
exhaust
Contact Towngas Customer Service
11 Ignition failure
Turn off control unit, and then check whether the
gas valve is opened and the gas supply is not
interrupted. If gas supply is normal, press ON/OFF
button to switch on water heater. If there is no
error display when the hot water tap is opened or
closed several times (wait for 10 seconds for each
interval), the unit is operating normally. If the error
message still persist, contact Towngas Customer
Service.
12 Flame failure device activate Contact Towngas Customer Service
14
Remaining flame safety device or
heat exchanger overheat protection
device activate
Contact Towngas Customer Service
16
Over boiling protection device
activate
Contact Towngas Customer Service
32
Outgoing water temperature sensor
faulty
Contact Towngas Customer Service
34 Air temperature sensor faulty Contact Towngas Customer Service
61 Trouble with combustion fan Contact Towngas Customer Service
71 Trouble with operating controls Contact Towngas Customer Service
72 Trouble with operating controls Contact Towngas Customer Service
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