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Trouble
Possible Cause
Remedy
Vent system trouble
Vent system is restricted in
some manner.
Check air intake and exhaust ducts to ensure
they are not damaged, corroded, blocked,
etc.
“Smoke” observed
coming from exhaust
system during cold
temperatures
Water vapor produced
during combustion is
condensed in the exhaust as
the hot gas is cooled by the
outside air.
None. Normal operation.
Water leaking from
safety valve outlet
Water system is operating
above design pressure.
Safety valve is damaged.
Consult professional for system review.
Replace safety valve. Consult professional as
required.
Blower fan noise can
be heard for some time
after operation stops.
The blower is designed to
run for 30 seconds after
burner shuts off.
None. Normal operation
The volume alarm does
not sound even though
the volume appears to
be adequate
Units incorrect during input
Measuring flow of only hot
water instead of hot water
and cold water combined
Refer to “
H2O SAVER TECHNOLOGY™ - Set a
Desired Volume”
section to ensure units
(metric vs. English) and volume (displayed
volume number represents 1/10
th
of the
actual total flow) is correctly set.
The volume measurement only keeps track of
the water volume that passes through the
water heater. If hot water going to a tub is
combined with cold water, the volume
computed would not be representative of the
total amount that may have been dispensed.
Unresolved problem
Other assistance required
Consult American Hometec by calling
1-800-295-8039 or contact an authorized
service professional.
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