Astria.us.com
900720-00E
39
TROUBLESHOOTING
Continued
OBSERVED PROBLEM
POSSIBLE CAUSE
REMEDY
Burners do not light after ODS/pilot is lit
1. Inlet gas pressure is too low
2. Burner orifi ce(s) clogged
3. Mislocated crossover tube
1. Contact local natural or propane/LP
gas company
2. Clean burner(s)
(see Cleaning and
Maintenance,
Page 31
)
or replace
burner orifi ce(s)
3. Contact qualifi ed service person
Delayed ignition of one or both burners
1. Manifold pressure is too low
2. Burner orifi ce(s) clogged
3. Mislocated crossover tube
1. Contact local natural or propane/LP
gas company
2. Clean burner(s)
(see Cleaning and
Maintenance,
Page 31
)
or replace
burner orifi ce(s)
3. Contact qualifi ed service person
Burner backfi ring during combustion
1. Burner orifi ce is clogged or damaged
2. Damaged burner
3. Gas regulator defective
1. Clean burner
(see Cleaning and
Maintenance,
Page 31
)
or replace
burner orifi ce
2. Replace damaged burner
3. Replace gas regulator
Yellow fl ame in middle burner during
burner combustion
1. Not enough air
2. Gas regulator defective
1. Check burner(s) for dirt and debris. If
found, clean burner(s)
(see Cleaning
and Maintenance,
Page 31
)
2. Replace gas regulator
Slight smoke or odor during initial
operation
1. Residues from manufacturing pro-
cesses and logs curing
1. Problem will stop after a few hours
of operation
Heater produces a whistling noise when
burners are lit
1. Set the unit to HI by using the remote
when burners are cold
2. Air in gas line
3. Air passageways on heater blocked
4. Dirty or partially clogged burner
orifi ce(s)
1. Set the unit to LO by using the remote
and let warm up for a minute
2. Operate burners until air is removed
from line. Have gas line checked
by local natural or propane/LP gas
company
3. Observe minimum installation clear-
ances
(see
Pages 11–14
)
4. Clean burners
(see Cleaning and
Maintenance,
Page 31
)
or replace
burner orifi ce(s)
White powder residue forming within
burner box or on adjacent walls or
furniture
1. When heated, vapors from furniture
polish, wax, carpet cleaners, etc.
may turn into white powder residue
1. Turn heater off when using furniture
polish, wax, carpet cleaners or
similar products
Moisture/condensation noticed on
windows
1. Not enough combustion/ventilation
air
1. Refer to
Air for Combustion and
Ventilation
requirements
(
Page 6
)
Heater produces a clicking/ticking noise
just after burners are lit or shut off
1. Metal expanding while heating or
contracting while cooling
1. This is normal with most heaters. If
noise is excessive, contact qualifi ed
service person
