Filter
Top Products
www.desatech.com
117437-01D 27
TROUBLESHOOTING
Continued
POSSIBLE CAUSE
1. Gas control knob not fully
pressed in
2. Gas control knob not
pressed in long enough
3. Equipment shutoff valve
not fully open
4. Pilot flame not touching
-
causing pilot to go out. This
problem could be caused
by one or more of the fol-
lowing:
A) Low gas pressure
B) Dirty or partially clogged
pilot
5. Thermocouple connection
loose at control valve.
6. Thermocouple damaged
7. Control valve damaged
2. Inlet gas pressure is too
low
3. Thermopile leads dis-
connected or improperly
connected
4. Thermopile is defective
5. Improper venting or exces-
sive blockage
1. Manifold pressure too
low
clogged
damaged
2. Damaged burner
3. Gas regulator defective
1. Residues from manufac-
turing processes and logs
curing
OBSERVED PROBLEM
Manual Ignition System Only
out when control knob is
released
Burner does not light after
pilot is lit or cycles during
operation.
Delayed ignition at burner
-
bustion
Slight smoke or odor during
initial operation
REMEDY
1. Press in gas control knob
fully
2.
control knob pressed in 30
seconds
3. Fully open equipment shut-
off valve
4. A) Contact local natural or
propane/LP gas company
B) Clean pilot (see Cleaning
and Maintenance
or replace pilot assembly
then tighten 1/4 turn more
6. Replace pilot assembly
7. Replace control valve
1. Clean burner (see Cleaning
and Maintenance
2. Contact local propane/LP or
natural gas company
3. Reconnect leads
4. Replace thermopile
5. Have the vent system in-
-
mination cap. Remove any
restriction or obstruction
1. Contact local propane/LP or
natural gas company
2. Clean burner (see Cleaning
and Maintenance
1. Clean burner (see Cleaning
and Maintenance
2. Replace damaged burner
3. Replace gas control
1. Problem will stop after a few
hours of operation