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TROUBLESHOOTING
Problem Possible Cause What To Do
When ignitor is depressed there is no spark
at ODS pilot.
1. Ignitor electrode positioned wrong.
2. Ignitor electrode broken.
3. Ignitor cable pinched or broken.
4. Ignitor cable not connected to ignitor
electrode.
5. Ignitor defective.
1. Reposition ignitor electrode.
2. Replace electrode.
3. Free ignitor cable, if damaged, replace.
4. Connect cable to electrode.
5. Replace ignitor.
When control knob is pressed in and turned
counterclockwise to pilot and piezo is
depressed, pilot does not light.
1. Gas supply turned off.
2. Control knob not in pilot position.
3. Control knob not pressed in while in pilot
position.
4. ODS pilot is clogged.
5. Air in gas lines.
1. Turn gas supply on.
2. Turn control knob to pilot position.
3. Press in control while in pilot position.
4. Call a qualified service technician.
5. Purge gas lines and repeat ignition
operation.
ODS pilot lights but flame goes out when
control knob is released.
1.Control knob not pressed long enough.
2. Safety interlock is triggered.
3. Pilot flame not touching the
thermocouple.
Problem could be result of one or both of
the following:
• Partially clogged ODS pilot orifice.
• Low gas pressure.
4. Thermocouple damaged.
5. Thermocouple connection loose at gas
control valve.
6. Gas control valve damaged.
1. After ODS pilot lights, keep control knob
pressed in approximately 30 seconds.
2. Wait one minute, repeat ignition
operation.
3. Contact your gas company, gas supplier
or qualified service technician.
4. Replace thermocouple.
5. Hand tight until snug then tighten
1/4 turn with a wrench.
6. Replace gas control.
Burner does not light after ODS pilot is lit.
1. Burner orifice clogged.
2. Gas supply pressure is very low.
1. Clean burner orifice.
2. Contact gas supplier.
Delayed ignition.
1. Main burner carry over ports clogged.
2. Gas supply pressure is very low.
1. Clean main burner ports.
2. Contact gas supplier.
Burner backfiring during operation.
1. Burner orifice is clogged.
2. Burner ports damaged.
1. Clean burner orifice.
2. Replace burner.
Yellow flames during burner operation. 1. Not enough air.
1. Check air passageways and burner for
dirt and debris.
(Refer to Maintenance section)
Burner plaque(s) does not glow.
1. Plaque(s) is damaged.
2. Inlet gas pressure too low.
3. Control knob set between locked
positions.
1. Replace burner.
2. Contact local gas supplier.
3. Turn control knob until it locks at
desired setting.
Slight smoke and odor during
Initial operation.
1. Residues from manufacturing processes. 1. Will stop after a few hours of operation.
Heater produces a whistling noise
when burner is lit.
1. Air passageways blocked.
2. Air in gas line.
1. Check minimum installation clearances
and air passageways for debris.
2. Operate burner until the air is completely
purged.
Heater produces a clicking noise just after
burner is lit or turned off.
1. Metal expanding and contracting.
1. This is common with heaters.
If noise is excessive, contact a
qualified, service technician.
PROPANE CONSTRUCTION HEATER