Use and Care Manual

25
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
ODS/pilot lights
but ame goes out
when control knob
is released
1. Control knob is not fully
pressed in
2. Control knob is not pressed in long
enough
3. Equipment shuto󰀨 valve is not fully
open
4. Thermocouple connection
is loose
5. Thermocouple damaged
6. Control valve damaged
7. Inlet gas pressure is too high
1. Press in control knob fully
2. After ODS/pilot lights, keep control
knob pressed in 30-60 seconds
3. Fully open equipment shut o󰀨
valve
4. Hand tighten until snug, and then
tighten 1/4 turn more
5. Replace thermocouple
6. Contact customer service
7. Contact your gas supplier to check
and adjust the inlet pressure
Burner(s) does not light
after ODS/pilot is lit
1. Thermostat setting too low
2. Burner orice is clogged
3. Burner orice diameter is too small
4. Inlet gas pressure is too low
1. Turn thermostat knob to a higher
setting
2. Clean burner orice (see “Care and
Maintenance” on page 23) or
contact customer service
3. Contact customer service
4. Contact your gas supplier
Delayed ignition of
burner(s)
1. Manifold pressure is too low
2. Burner orice is clogged
1. Contact your gas supplier
2. Clean burner orice (see “Care and
Maintenance” on page 23) or
contact customer service
Burner backring during
combustion
1. Burner orice is clogged or damaged
2. Burner is damaged
3. Gas regulator is damaged
1. Clean burner orice (see “Care and
Maintenance” on page 23) or
contact customer service
2. Contact customer service
3. Contact dealer or customer service.
Replace gas regulator
High yellow ame during
burner combustion
1. Not enough air
2. Gas regulator is defective
1. Check burner for dirt and debris. If
found, Clean burner (see “Care and
Maintenance” on page 23) or
contact customer service
2. Contact dealer or customer service.
Replace gas regulator
Gas odor during
combustion
1. Foreign matter between control valve
and burner
2. Gas leak (see warning statement on
page 24)
1. Take apart gas tubing and remove
foreign matter
2. Locate and correct all leaks (see
“Checking Gas Connections” on
page 17)
Heater produces a
clicking/ticking noise just
after burner is lit or shut
o󰀨
1. Metal is expanding while heating or
contracting while cooling
1. This is common with most heaters. If
noise is excessive, contact a
qualied service technician
TROUBLESHOOTING