Troubleshooting
WARNING: Never attempt to service heater while it is connected to propane/LP supply, operating, or hot. Severe burns can occur.
SYMPTOM | POSSIBLE CAUSE | REMEDY | ||
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Burner fails to light | 1. | Propane/LP supply valve | 1. | Open propane/LP supply |
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| closed on propane/LP cyl- |
| valve slowly |
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| inder |
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| 2. | Blockage in burner/orifice | 2. | Clean burner/replace orifice |
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| elbow/hose and regulator |
| elbow/hose and regulator |
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| assembly |
| assembly |
| 3. | Battery not installed, battery | 3. | Install new alkaline battery |
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| power low or battery not |
| in electronic ignitor. Verify |
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| installed correctly |
| battery is installed correctly. |
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| See page 12 |
Burner lights but goes out when automatic control valve button is released
1.Not enough
2.Low gas pressure
3.Thermocouple loose or needs to be replaced
4.Automatic control valve needs to be replaced
5.Thermocouple gap is too great
1.Relight, hold automatic control valve button in 30 seconds
2.Check propane/LP cylinder for proper gas supply
3.Tighten connection or re- place thermocouple
4.Replace automatic control valve assembly
5.Maintain 0.20" gap between tip of thermocouple and emitter material
Maximum burn rate is low | 1. | Low gas pressure | 1. | Check gas supply; check |
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| regulator output |
| 2. | Low fuel supply | 2. | Consult propane/LP gas |
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| supplier |
| 3. | Restriction in burner/orifice | 3. | Clean burner/replace orifice |
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| elbow/hose and regulator |
| elbow/hose and regulator |
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| assembly |
| assembly |
14 | www.desatech.com |