A.O. Smith ADM - 80 - Manual (Page 56)

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Instruction manual ADM 56
11.3 Troubleshooting table for general errors
Warning
Maintenance may only be performed by a qualified service and maintenance engineer.
General faults and failures
Symptom Cause Precautions Comment
Gas smell Gas leak
Warning
Close the main gas valve immediately.
Warning
Do not operate any switches.
Warning
No naked flames.
Warning
Ventilate the boiler room. Note
Contact your installation engineer or local gas company
immediately.
Water leakage Leakage from a water
connection (threaded)
Tighten the threaded connection If the leak persists, consult your installation engineer
Leakage from another
nearby water appliance
or pipe segment
Trace the leak
Leakage from the
appliance's tank
Consult the supplier and/or manufacturer
Condensation Before drawing (too much) tap water, wait until the water in the
boiler has reached the set temperature.
Explosive ignition
Poor flame profile
Incorrect supply
pressure and/or burner
pressure
Set the correct supply pressure and/or burner
pressure. (3.11 "Checking the supply pressure and burner
pressure")
If ignition is not improved, consult your installation engineer.
Contaminated burner Clean the burner(s) (12.4.2 "Clean the burner(s)")
Contaminated orifice Clean the orifice(s) (12.4.3 "Clean the orifice(s)")
Inadequate air supply Improve the air supply by providing better ventilation in the boiler
room.