TROUBLE- SHOOTING
OBSERVED | POSSIBLE |
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PROBLEM | CAUSE | REMEDY |
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Continued
Burner backfiring | 1. Burner orifice is | |
during combustion. |
| clogged or damaged. |
| 2. | Burner damaged. |
| 3. | Gas regulator defective. |
| 4. | Delayed ignition. |
1.Clean burner (see Clean- ing and Maintenance, page 25) or replace burner orifice.
2.Replace burner.
3.Replace control valve.
4.See above.
Yellow | flame | during | 1. | Not enough air. | 1. | A) Check burner for dirt | |
burner combustion. |
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| and debris. If found, clean | |||
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| burner (see Cleaning and | |
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| Maintenance, page 25). | |
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| 2. | Gas regulator defective. | 2. | Replace control valve. | |
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Slight smoke or odor | 1. | Residues from manu- | 1. | Problem will stop after a | |||
during | initial | opera- |
| facturing processes. |
| few hours of operation. | |
tion. |
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Burner fails to re- | 1. | Pilot flame not lit. |
spond to thermostat. |
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| 2. | Pilot flame not properly |
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| heating end of thermo- |
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| couple. |
| 3. | Pilot burner orifice |
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| clogged or damaged. |
| 4. | Control valve defec- |
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| tive. |
| 5. | Temperature at thermo- |
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| stat bulb satisfied. |
1.Light pilot burner (see Lighting Instructions, page 20).
2.Pilot flame needs adjust- ing. Contact a qualified service person.
3.Clean pilot burner (see Cleaning and Mainte- nance, page 25).
4.Replace control valve.
28
Heater produces a | 1. Air in gas line. | |
whistling noise when |
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burner is lit. |
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| 2. | Air passageways on |
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| heater blocked. |
| 3. | Dirty or partially |
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| clogged burner orifice. |
1.Operate burner until air is removed from line. Have gas line checked by local propane gas company.
2.Observe minimum instal- lation clearances (see Figure 3, page 7).
3.Clean burner (see Clean- ing and Maintenance, page 25) or replace burner orifice.
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