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6. WHAT TO DO IF…
6.1 Some problems can be caused by simple settings. This can easily be resolved without
having to call technical assistance.
If your appliance is not working efficiently:
•
Make sure the gas cock is open
•
Check that the knobs are set correctly and then repeat the operations given in the handbook
NOTE: WATER HEATER SHOULD NOT BE USED CONTINUOUSLY FOR A LONG TIME.
6.2 The following situations are not real problems. You can handle these problems by
yourself by following the following steps. If the water heater still does not work in a good
condition, we advise you to call the gas specialist for help.
PROTECTIVE FUNCTION
REACTION
REMARKS
Water pressure too high
If water pressure is over 7.5 bar, the
water-out valve will release water
and lower the pressure
Increase the valve pressure limit
according to local water supply
pressure
Water pressure too low
If water pressure is below 0.25
bar,
the water heater cannot be ignited
Use the water heater later when
pressure becomes higher
Low battery
The power of battery will become
less after use for some time, thus
the water heater cannot be ignited.
Change battery
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7. TROUBLESHOOTING
7.1 Maintenance and Repair Guide to Common Malfunctions
A B C D E F G H I J
Solutions
Improper
Operation
Overall fuel gas valve is unopened
●
Open overall valve of gas supply
Water supply valve is unopened
●
Open valve of water supply
Improper regulation method of water
temperature
●
Enlarge gas volume, reduce water
volume
●
Reduce gas volume, enlarge water
supply
Improper position of water switch
●
Turn water knob to hot water point
Surroundings
Air exiting inside fuel gas pipe
●
●
Repeat opening and closing hot
water valve for several times
Inadequate fresh air supply
●
Improve ventilation and ensure air
supply
Fuel gas pressure
Too high
●
●
●
●
Regulate pressure relief valve,
reduce overall gas supply
Too low
●
●
●
Check if gas rubber pipe twists or not
Water pressure
Too high
●
Reduce
water
supply
Too low
●
●
●
●
●
Utilize when water pressure recovers
to normal
Inadequate
supply of fuel gas
Gas valve is half
opened
●
Open
gas
valve
completely
Too long pipe
●
Shorten
rubber
pipe
Too small through
diameter of joints
●
Displace joints of rubber pipe
Improper choice of
specification of
pressure relief valve
●
Water heater with a content of over 8
litres shall adopt a pressure relief
valve (LPG) of 1.2 m
3
/h
Simultaneous
consumption of fuel
gas by several users
●
Stop other users' using fuel gas
Blockage of water route
●
●
Clean filtration net on water admitting
orifice
Blockage of shower
●
●
Clean
shower
device
Blockage of vent pipe
●
●
●
Clean flue pipe
Inadequate battery voltage
●
●
●
Displace
batteries
Too low water temperature
●
Reduce
water
volume
Other
causes
●
Ask for professional personnel to
repair it
A. Ignition failure
B. Blasting combustion
C. Flameout during operation
D. Too low temperature
E. Too high temperature
F. Sparks from fire peep hole
G. Removed flame and renegade fire
H. Returned fire
I. Flameout at point of large water volume
J. Other malfunctions
Malfunction
Causes
