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Problem Possible Cause What To Do
When control knob is pressed in
and turned counterc
lockwise to
ignition, 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.
1. Reposition ignitor electrode.
2.
Replace electrode.
3. Free ignitor cable, if damaged, replace.
4. Connect cable to electrode
When control knob is pressed in
and turned counterc
lockwise to
ignition/pilot position there is
spark but no ignition
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.
Y
ello
w flames during burner
operation. (RMC-LC)
1.
Not enough air
1.
Check air passa
geways and burner for dirt and
debris (Refer to Maintenance section)
Burner plaque(s) does not glow.
(RMC-LI)
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.
Hea
ter produces a whistling
noise when burner is lit.
1.
Air passa
geways blocked.
2.
Air in gas line.
1.
Check minimum installa
tion c
learances and air
passageways for debris.
2.
Opera
te burner until the air is completely
purged.
Troubleshooting