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MAINTENANCE
MAINTENANCE
6.1 Trouble-shooting guidance
Errors
Causes
Flame out while using
Non-ignition af
ter opening the c
old
w
at
er v
alv
e
Deflagr
ation af
ter ignition
Yello
w flame with smok
e
A
bnormal flame with str
ange smell
Ignition with str
ange sounds
W
at
er still not hot
,when turning t
o
the high t
emper
atur
e position
W
at
er t
oo hot
, when turning t
o the
lo
w t
emper
atur
e position
Flame out when turning t
o the lo
w
temper
atur
e position
Flame not out when the c
old w
at
er
valv
e 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
