OWNER’S MANUAL
TROUBLESHOOTING
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.Manual shutoff valve not fully open
4.Thermocouple connection loose at control valve
5.Pilot flame not touching thermocouple, which allows thermocouple to cool, causing 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 fully
2.After ODS/pilot lights, keep control knob pressed in 10 seconds
3.Fully open manual
4.Hand tighten until snug, then tighten 1/4 turn more
5.A) Contact local natural gas company
B)Clean ODS/pilot (see Cleaning and Maintenance, page 15) or replace ODS/pilot assembly
6.Replace thermocouple
7.Replace control valve
Burner(s) does not light after ODS/pilot is | 1. | Burner orifice(s) is clogged | 1. | Clean burner orifice(s) (see Cleaning |
lit |
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| and Maintenance, page 15) or replace |
| 2. | Burner orifice(s) diameter is too small |
| burner orifice(s) |
| 2. | Replace burner orifice(s) | ||
| 3. | Inlet gas pressure is too low | 3. | Contact local natural gas company |
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Delayed ignition of burner(s) | 1. | Manifold pressure is too low | 1. | Contact local natural gas company |
| 2. | Burner orifice(s) is clogged | 2. | Clean burner orifice(s) (see Cleaning |
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| and Maintenance, page 15) or replace |
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Burner backfiring during combustion | 1. | Burner orifice(s) is clogged or damaged | 1. | Clean burner orifice(s) (see Cleaning |
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| and Maintenance, page 15) or replace |
| 2. | Burner damaged |
| burner orifice(s) |
| 2. | Replace burner | ||
| 3. | Gas regulator defective | 3. | Replace gas regulator |
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Burner plaque(s) does not glow | 1. | Plaque damaged | 1. | Replace burner |
| 2. | Inlet gas pressure is too low | 2. | Contact local natural gas company |
| 3. | Control knob set between locked | 3. | Turn control knob until it locks at desired |
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Slight smoke or odor during initial opera- | 1. | Residues from manufacturing processes | 1. | Problem will stop after a few hours of |
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Heater produces a clicking/ticking noise just after burner is lit or shut off
1.Metal expanding while heating or contracting while cooling
1.This is common with most heaters. If noise is excessive, contact qualified service person
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