Troubleshooting: General Errors - A.O. Smith BFM - 100 Installation & Service Manual

11.2 Troubleshooting: general errors

Warning
Maintenance may only be performed by a qualified service and maintenance engineer.
General errors
Symptom Cause
Gas smell Gas leak
Water leakage Leakage from a water
connection (threaded)
Leakage from another
nearby water appliance
or pipe segment
Leakage from the
appliance's tank
Condensation
Explosive ignition Incorrect supply
pressure and/or burner
pressure
Poor flame profile
Contaminated burner
Contaminated orifice
Inadequate air supply
Instruction manual BFM
Solution
Warning
Close the main gas valve immediately.
Warning
Do not operate any switches.
Warning
No naked flames.
Warning
Ventilate the boiler room.
Tighten the threaded connection
Trace the leak
Consult the supplier and/or manufacturer
Before drawing (too much) tap water, wait until the water in the
boiler has reached the set temperature.
Set the correct supply pressure and/or burner
pressure. (3.11 "Checking the supply pressure and burner
pressure")
Clean the burner(s) (12.4.2 "Clean the burner(s)")
Clean the orifice(s) (12.4.3 "Clean the orifice(s)")
Improve the air supply by providing better ventilation in the boiler
room.
Remark
Warning
Contact your installation engineer or local gas company
immediately.
If the leak persists, consult your installation engineer
If ignition is not improved, consult your installation engineer.
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