1 2
11
TROUBLE SHOOTING
Continued
OBSERVED PROBLEM
POSSIBLE CAUSE
REMEDY
ODS/pilot lights but flame
goes out when control
knob is released.
1. Control knob not fully pressed in.
2. Control knob not pressed in long
enough.
3. Equipment shutoff valve not fully open.
4. Thermocouple connection loose
at control valve.
5. Pilot flame not touching thermocouple.
This allows thermocouple to cool
causing the pilot flame to go out.
This problem could be caused by
one or both of the following:
A) Low gas pressure.
B) Dirty or partially clogged ODS/
pilot.
6. Thermocouple damaged.
7. Control valve damaged.
1. Press in control knob all the way.
2 . Af t er OD S /p ilo t lig h t s, k eep
c o n t r o l k n o b p r es s ed in f o r 3 0
seconds.
3. Open equipment shutoff valve all the
way.
4 . H a n d t ig h t en u n t il s n u g , t h e n
tighten 1/4 turn more.
5. A) Contact lo cal propane/LP gas
company.
B) Clean ODS/pilot (see Cleaning
and Maintenance, page 10 ) or replace
CDS/pilot assembly.
6. Replace thermocouple.
7. Contact Dealer or PRO-COM .
Burner does not light after
ODS/pilot is lit.
1. Burner orifice is clogged.
2. Inlet gas pressure is too low.
3. Burner orifice diameter is too small.
4. Thermocouple leads disconnected
or improperly connected.
1 . C l e a n b u r n e r ( s e e
C l e a n i n g
and Maintenance
, page 10) or replace
burner orifice.
2. Contact local propane/LP gas
company.
3. Replace burner orifice.
4. Reconnect leads.
Delayed ignition burner.
1. Manifold pressure is too low.
2. Burner orifice is clogged.
1. Contact local gas company.
2. Clean burner (see
Clea ning and
Maintenance,
page 10).
Burner backfiring during
combustion.
1. Damaged burner.
2. Gas regulator is defective.
1. Clean burner orifice (see Cleaning
and Maintenance, page 10).
2. Replace gas regulator.
Slight smoke or odor
during initial operation.
1. Residues from manufacturing
processes.
2. Not enough air.
3. Gas regulator is defective.
1. Problem will stop after a few hours
of operation.
2. Check burner for dirt and debris.
If found, clean burner (see Cleaning
and Maintenance, page 10).
3. Replace gas regulator.
Dar k residue on logs
o r in s id e of f ir ep lac e .
1. Improper log placement.
2. Air holes at burner inlet are blocked.
3. Burner flame holes are blocked.
1. Properly locate logs (see
Insta lling
Logs
, page 9).
2. Clean out air holes at burner inlet.
Periodically repeat as needed.
3. Remove blockage or replace burner.
Heater produces a clicking/
ticking noise just after burner
i s l i t o r s h u t o f f .
1 . M e t a l e x p a n d in g w h i le h e a t in g
o r c o n t r a c t i n g w h i l e c o o l i n g .
1. This is common with most
h eater s. If n oise is exc ess ive,
c o ntac t q u alified servic e p erso n .