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MAINTENANCE
MAINTENANCE
6.1 Trouble-shooting guidance
Errors
Causes
Flame out while using
Non-ignition after opening the cold
water valve
Deflagration after ignition
Yellow flame with smoke
Abnormal flame with strange smell
Ignition with strange sounds
Water still not hot,when turning to
the high temperature position
Water too hot, when turning to the
low temperature position
Flame out when turning to the low
temperature position
Flame not out when the cold water
valve is closed
Solutions
Main gas valve off
•
Turn on the main gas valve or
check you have gas supply to
another appliance
Main gas valve half on
• •
Turn on the main gas valve fully
There is air in the gas pipe
•
Constantly continue to turn on
and off a hot water outlet
High supply gas pressure
• •
Contact the installer to check the
gas pressure
Low supply gas pressure
• •
Main cold water valve off
•
Turn on the water supply main
valve
Frozen
•
Contact your installer for
assistance
Pressure of cold water
too low
• • •
Contact the installer to check
water pressure
Adjust water temperature
wrongly
• •
Rotate the water flow adjustment
rod appropriately
Air supply not enough
• •
Improve air exchange , and let
more fresh air in
External wind pressure
too high
• • •
Stop using it
Burner assembly blocked
• • •
Contact the manufacturer for
guidance
Heat exchanger assembly
blocked
• • •
The same as mentioned above
Errors in the water control
device
• • • • •
The same as mentioned above
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