TROUBLESHOOTING
Continued
OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | ||
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ODS/pilot lights but flame | 1. | Control knob not fully | 1. | Press in control knob fully |
goes out when control knob |
| pressed in |
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is released | 2. | Control knob not pressed in | 2. | After ODS/pilot lights, keep |
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| long enough |
| control knob pressed in 30 |
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| seconds |
| 3. | Equipment shutoff valve not | 3. | Fully open equipment shut- |
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| fully open |
| off valve |
| 4. | Thermocouple connection | 4. | Hand tighten until snug, |
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| loose at control valve |
| then tighten 1/4 turn more |
| 5. | Pilot flame not touching | 5. | A) Contact local natural or |
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| thermocouple, which allows |
| propane/LP gas company |
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| thermocouple to cool, caus- |
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| ing pilot flame to go out. This |
| B) Clean ODS/pilot (see |
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| problem could be caused by |
| Cleaning, page 17) or re- |
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| one or both of the following: |
| place ODS/pilot assembly |
A)Low gas pressure
B)Dirty or partially clogged
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| ODS/pilot |
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| 6. | Thermocouple damaged | 6. | Replace pilot assembly |
| 7. | Control valve damaged | 7. | Replace control valve |
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Burner does not light after | 1. Burner orifice is clogged | 1. | Clean burner orifice (see | |
ODS/pilot is lit |
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| Cleaning, page 17) or re- |
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| place burner orifice |
| 2. | Inlet gas pressure is too | 2. | Contact local natural or |
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| low |
| propane/LP gas company |
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Delayed ignition of burner | 1. Manifold pressure is too | 1. | Contact local natural or | |
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| low |
| propane/LP gas company |
| 2. | Burner orifice is clogged | 2. | Clean burner orifice (see |
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| Cleaning, page 17) or re- |
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| place burner orifice |
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Burner backfiring during | 1. Burner orifice is clogged or | 1. | Clean burner orifice (see | |
combustion |
| damaged |
| Cleaning, page 17) or re- |
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|
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| place burner orifice |
| 2. | Burner damaged | 2. | Replace burner |
| 3. | Gas regulator defective | 3. | Replace gas regulator |
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Burner plaque(s) does not | 1. Control knob set between | 1. | Turn control knob until it | |
glow (Infrared models only) |
| locked positions |
| locks at desired setting |
| 2. | Inlet gas pressure is too | 2. | Contact local natural or |
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| low |
| propane/LP gas company |
| 3. | Plaque damaged | 3. | Replace burner |
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Yellow flame during burner | 1. Not enough air | 1. | Check burner for dirt and | |
combustion |
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| debris. If found, clean burn- |
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| er (see Cleaning, page 17) |
| 2. | Inlet gas pressure is too | 2. | Contact local natural or |
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| low |
| propane/LP gas company |
| 3. | Gas regulator defective | 3. | Replace gas regulator |
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