Procom BN28TYLA-W Owner's Operation And Installation Manual page 14

OBSERVED PROBLEM
ODS/pilot lights but flame goes out
when control knob is released.
Burner does not light after ODS/pilot
is lit.
Delayed ignition burner.
Burner backfiring during combustion.
Slight smoke or odor during initial
operation.
Dark residue on logs or inside of
fireplace.
Heater produces a clicking/ticking
noise just after burner is lit or shut
off.
TROUBLESHOOTING
Continued
POSSIBLE CAUSE
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 . P i l o t f l a m e n o t
thermocouple which
thermocouple to cool. This causes
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. Burner orifice clogged.
2. Inlet gas pressure is too low.
3. Burner orifice diameter is too
small.
4. Thermocouple leads disconnected
or improperly connected.
1. Manifold pressure is too low.
2. Burner orifice clogged.
1. Damaged burner.
2. Gas regulator defective.
1. Residue from manufacturing
processes.
2. Not enough air.
3. Gas regulator defective.
1. Improper log placement.
2 . A i r h o l e s a t b u r n e r i n l e t a r e
blocked.
3. Burner flame holes are blocked.
1. Metal expanding while heating
or contracting while cooling.
14
1. Press in control knob fully.
2. After ODS/pilot lights,
c o n t r o l k n o b p r e s s e d i n 3 0
seconds.
3. Fully open equipment shutoff valve.
4. Hand tighten until snug, then
tighten 1/4 turn more.
t o u c h i n g 5. A) Contact local propane/LP gas
allows company.
B) Clean ODS/pilot (see Cleaning
and Maintenance, page 12 ) or
replace ODS/pilot assembly.
6. Replace thermocouple.
7. Replace control valve.
1. Clean burner (see Cleaning and
Maintenance , page 12) or replace
burner orifice.
2. Contact
company.
3. Replace burner orifice.
4. Reconnect
diagram).
1. Contact local gas company.
2. Clean burner (see Cleaning and
Maintenance, page 12).
1. Clean burner orifice (see Clean
-ing and Maintenance , page 12).
2. Replace gas regulator.
1. Problem will stop after a few hours
of operation.
2. Check burner for dirt and debris.
If found, clean burner (see Clean-
ing and Maintenance , page 12).
3. Replace gas regulator.
1. Properly locate logs (see Installing
Logs , page 11).
2. Clean out air holes at burner inlet.
Periodically repeat as needed.
3. Remove blockage or replace burner.
1. This is common with most heaters.
If noise is excessive, contact
qualified service person.
REMEDY
keep
local propane/LP gas
leads (see wiring