Trouble Shooting
Issues
Reasons
Gas valve not open
Gas valve half open
Air in the gas pipe
High
Unsuitable
Pressure Gas
Low
Cold water valve closed
Freezing
Low water pressure
Water temperature
control mistake
Insufficient air supply
Power shortage
Burner clogged
Heat exchanger clogged
Water valve reset failure
Sparking electrode
dislocation
Exhaust pipe clogged
Overheat protection
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Solutions
Turn on main valve or replace the
gas valve
Turn on the main valve
Purge clean the air and restart
Contact the gas supplier
Turn on the water supply main
valve
Use after defreeze
Call running water supplier to
check water pressure, then clean
the filter
Turn the water flow and gas tap
properly
Open the ventilation hole to let
enough fresh air in
Replace the batteries
Contact the service center
Contact the service center
Contact the service center
Contact the service center
Remove blockage
Set a reasonable output water
temperature
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