44
Troubleshooting-3
The display may indicate the type
of failure that has occured depending
on the system configuration.
Error Code Display Screen
Press the
button (the indicator will turn off).
To Stop the Error Alarm
Burner on indicator is lit
(
p.10 - p.12)
In the event of a failure, the cause is notifi ed by a blinking failure display.
Please resolve the problem in accordance with the table below.
Failure display
Details of Failure
Remedy
Fault occurs with the ignition
switch at the hot water supply
side.
Turn the power “Off”, make sure that the gas valve is
open and that the gas meter has not shut off the gas,
and if this is the problem, please rectify it. Then, turn
the power “On”, and when the hot water tap is turned
on, it is back to normal if nothing is displayed.
11
F11
Fault occurs with combustion of
the unit.
Please contact ANDREWS WATER HEATERS.
99
F99
In the event of a failure, you are notifi ed by the burner on indicator blinking at the front of the unit.
Please resolve the problem in accordance with the table below.
• Fault occurs with the unit. Make sure that the gas valve is open.
Close the hot water tap, then reopen it,
and it is back to normal if the burner on
indicator is no longer lit.
Burner on indicator
Details of Failure Remedy
Continuously blinking
Lit
Unlit
Please check the failure display on the remote controller or the
Burner on indicator on the main body.
Clogging of water trap
Please contact the installer or ANDREWS WATER
HEATERS.
29
F29
Abnormal combustion, low gas
supply pressure
Have a professional check the gas supply pressure.
Please contact ANDREWS WATER HEATERS.
90
F90
Contact our Technical Department if:
• Any other error code appears.
• An error code is indicated again after the above actions were followed.
• There are any other questions.
