Troubleshooting - Dux Endurance 16 Operation & Installation Manual

Your Dux Endurance Continuous Flow Water Heaters has a self diagnostic capability. If a fault occurs,
an Error Code will flash on the digital monitor if you have water controllers. This assists with
diagnosing the fault, and may enable you to overcome a problem without a service call. Please quote
the code displayed when enquiring about service.
ERROR
-
Noticeable reduction in water flow.
Power interruption during Bath fill
03
(Water will not flow on power reinstatement).
10
11
12
14 Remaining Flame Safety Device.
16
32 Outgoing Water Temperature Sensor Faulty.
33 Heat Exchanger Outlet Sensor Faulty.
34 Combustion Air Temperature Sensor Faulty.
52
61
71
72
LC Scale build-up inside the heat exchanger.
In all cases, you may be able to clear the Error Code simply by turning the hot water tap OFF, then ON again. If this does not clear the Error Code,
try pushing the On/Off button OFF, then ON again. If the Error Code still remains, contact Dux for advice.
Troubleshooting Without Controllers
If you have no water controllers and experience the following symptoms, carry out these suggestions.
If the symptom continues, contact Dux for advice.
FAULT
The unit does not attempt to start at all.
The unit starts then shuts down immediately.
The unit starts then the water goes cold.
Faults caused by insufficient gas supply, insufficient water supply, gas quality,
water quality, installation errors or operation errors are not covered by the Dux
NOTE
warranty. Refer to separate warranty booklet for details.

TROUBLESHOOTING

FAULT
Air intake or flue blocked.
No ignition / No gas supply.
Flame Failure / Low gas flow.
Over Temperature Warning.
Gas Modulating Valve Faulty.
Combustion Fan Failure.
Micro-processor Failure.
Micro-processor Failure.
Inlet water filter needs to be cleaned. Service call.
Turn off all hot water taps. Press On/Off twice.
Check gas is turned on at water heater and gas meter
Check gas is turned on at water heater
and gas meter or cylinder.
Check there are no obstructions to the flue outlet.
REMEDY
Check the power is on at the unit.
Check the isolation valves at the unit are open.
Check the power is still on.
Check the gas isolation valves at the
unit and the gas meter are fully open.
Open your hot water tap fully.
Check the power is still on.
Open your hot water tap further.
11
Operation Manual - Dux
REMEDY
Service Call.
or cylinder.
Service Call.
Service Call.
Service Call.
Service Call.
Service Call.
Service Call.
Service Call.
Service Call.
Service Call.
Service Call.
Endurance Continuous Flow Hot Water
®