A.O. Smith BTI - 65, Installation And User Instructions Manual

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