® VP5D AND VP10A
PROPANE/LP GAS HEATERS
TROUBLESHOOTING
Continued
OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | ||
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Burner(s) does not light after ODS/pilot is lit | 1. | Burner orifice(s) is clogged | 1. | Clean burner orifice(s) (see Cleaning |
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| and Maintenance, page 12) 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 propane/LP gas company |
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Delayed ignition of burner(s) | 1. | Manifold pressure is too low | 1. | Contact local propane/LP gas company |
| 2. | Burner orifice(s) is clogged | 2. | Clean burner orifice(s) (see Cleaning |
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| and Maintenance, page 12) or replace |
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| burner orifice(s) |
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Burner backfiring during combustion | 1. | Burner orifice(s) is clogged or damaged |
| 2. | Inlet gas pressure is too low |
| 3. | Burner damaged |
| 4. | Gas regulator defective |
1.Clean burner orifice(s) (see Cleaning and Maintenance, page 12) or replace burner orifice(s)
2.Contact local propane/LP gas company
3.Replace burner
4.Replace gas regulator
Burner plaque(s) does not glow | 1. | Plaque damaged |
| 2. | Inlet gas pressure is too low |
| 3. | Control knob set between locked positions |
1.Replace burner
2.Contact local propane/LP gas company
3.Turn control knob until it locks at de- sired setting
Slight smoke or odor during initial operation | 1. | Residues from manufacturing processes | 1. | Problem will stop after a few hours of |
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| operation |
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Heater produces a clicking/ticking noise | 1. | Metal expanding while heating or con- | 1. | This is common with most heaters. If |
just after burner is lit or shut off |
| tracting while cooling |
| noise is excessive, contact qualified ser- |
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| vice person |
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White powder residue forming within burner | 1. | When heated, vapors from furniture pol- | 1. | Turn heater off when using furniture |
box or on adjacent walls or furniture |
| ish, wax, carpet cleaners, etc. turn into |
| polish, wax, carpet cleaners, or similar |
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| white powder residue |
| products |
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