VANGUARD
UNVENTED PROPANE/LP GAS LOG HEATER
TROUBLESHOOTING
Continued
OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | ||
Burner does not light after ODS/pilot is lit | 1. | Burner orifice clogged | 1. | Clean burner (see Cleaning and Mainte- |
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| nance, page 21) or replace burner orifice |
| 2. | Inlet gas pressure is too low | 2. | Contact local propane/LP gas company |
| 3. | Burner orifice diameter is too small | 3. | Replace burner orifice |
| 4. | Thermopile leads disconnected or im- | 4. | Reconnect leads (see Wiring Diagram, |
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| properly connected |
| page 20) |
| 5. | Burners will not come on in remote po- | 5. | Replace battery in transmitter and re- |
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| sition |
| ceiver |
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Delayed ignition burner | 1. | Manifold pressure is too low | 1. | Contact local propane/LP gas company |
| 2. | Burner orifice clogged | 2. | Clean burner (see Cleaning and Mainte- |
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| nance, page 21) or replace burner orifice |
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Burner backfiring during combustion | 1. | Burner orifice is clogged or damaged | 1. | Clean burner (see Cleaning and Mainte- |
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| nance, page 21) or replace burner orifice |
| 2. | Damaged burner | 2. | Replace damaged burner |
| 3. | Gas regulator defective | 3. | Replace gas control |
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Slight smoke or odor during initial operation | 1. | Not enough air | 1. | Check burner for dirt and debris. If |
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| found, clean burner (see Cleaning and |
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| Maintenance, page 21) |
| 2. | Gas regulator defective | 2. | Replace gas control |
| 3. | Residues from manufacturing processes | 3. | Problem will stop after a few hours of |
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| and logs curing |
| operation |
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Moisture/condensation noticed on windows | 1. | Not enough combustion/ventilation air | 1. | Refer to Air for Combustion and Venti- |
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| lation requirements (page 4) |
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Heater produces a whistling noise when | 1. | Turning control knob to HI position | 1. | Turn control knob to LO position and |
burner is lit |
| when burner is cold |
| let warm up for a minute |
| 2. | Air in gas line | 2. | Operate burner until air is removed from |
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| line. Have gas line checked by local pro- |
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| pane/LP gas company |
| 3. | Air passageways on heater blocked | 3. | Observe minimum installation clear- |
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| ances (see pages 7 through 9) |
| 4. | Dirty or partially clogged burner orifice | 4. | Clean burner (see Cleaning and Mainte- |
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| nance, page 21) or replace burner orifice |
White powder residue forming within burner box or on adjacent walls or furniture
1.When heated, vapors from furniture pol- ish, wax, carpet cleaners, etc. turn into white powder residue
1.Turn heater off when using furniture polish, wax, carpet cleaners or similar products
Remote does not function (GHRC Series and GHRCT Series only)
1.Battery is not installed. Battery power is low
1.Replace
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