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6.1 Trouble-shooting guidance
Errors
Causes
Main gas valve off
Main gas valve half on
There is air in the gas pipe
High supply gas pressure
Low supply gas pressure
Main cold water valve off
Frozen
Pressure of cold water
too low
Adjust water temperature
wrongly
Air supply not enough
External wind pressure
too high
Burner assembly blocked
Heat exchanger assembly
blocked
Errors in the water control
device
MAINTENANCE
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Solutions
Turn on the main gas valve or
check you have gas supply to
another appliance
Turn on the main gas valve fully
Constantly continue to turn on
and off a hot water outlet
Contact the installer to check the
gas pressure
Turn on the water supply main
valve
Contact your installer for
assistance
Contact the installer to check
water pressure
Rotate the water flow adjustment
rod appropriately
Improve air exchange , and let
more fresh air in
Stop using it
Contact the manufacturer for
guidance
The same as mentioned above
The same as mentioned above
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