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3.2
Fault overview
Fault
Gas smell
Heater is off or does
not ignite
Insufficient hot water,
or none at all
Explosive ignition
Poor flame image
Water leakage
22
Possible cause
Burner automat is in lock condition
Blocked chimney
Overheat thermostat is engaged
Gas supply shut off
Temperature set too low
Thermal Reflux Safeguard has shut
down the heater
Overheat thermostat is engaged
Supply of hot water exhausted
Unindentifiable cause
Wrong inlet gas pressure and/or burner
pressure
Dirty injectors
Wrong inlet pressure and/or burner
pressure
Condensation of (flue) gasses
Leakage from other water heater or
pipes in the vicinity
corrective action
If you smell gas you should immediately close the
main gas tap, you should not fight any fire or switch
on light. electrical switches or bels. Open windows
and immediately contact your installer or the local
gas company
Reset burner automat with the RESET button on
the top of the collumn
Contact your installer to investigate the
cause and rectify it
Cool down the water in the equipment and adjust
the water temperature to a lower setting (60 °C).
Reset the safety thermostat using the RESET
button.
Open the inlet gas valve
Set water temperature to higher valvue
(60 °C recommended)
After resetting the TRS activate the heater.
If this occurs regularly, call your installer
Cool down the water in the equipment and adjust
the water temperature to a lower setting (60 °C).
Reset the safety thermostat using the RESET
button.
Reduce hot water use. Give the heater
time to heat the water
Switch off the elactricity to the heater, close
the inlet gas valve and call your installer
Set the correct inlet pressure and/or burner
pressure
Clean injectors
Set the correct inlet pressure and/or burner
pressure
See chapter "Condensation"
If possible trace the cause and/or call your
installer
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