Troubleshooting
Continued
OBSERVED PROBLEM POSSIBLE CAUSE | REMEDY |
ODS/pilot lights but flame goes out when control knob is released
1.Control knob not fully pressed in
2.Control knob not pressed in long enough
3.Safety interlock system has been triggered
4.Equipment shutoff valve not fully open
5.Thermocouple connection loose at control valve
6.Pilot flame not touching thermocouple, which al- lows thermocouple to cool, causing pilot flame to go out. This problem could be caused by one or both of the following:
A)Low gas pressure
B)Dirty or partially clogged ODS/pilot
7.Thermocouple damaged
8.Control valve damaged
1.Press in control knob fully
2.After ODS/pilot lights, keep control knob pressed in 30 seconds
3.Wait one minute for safety interlock system to reset. Repeat ignition operation
4.Fully open equipment shut- off valve
5.Hand tighten until snug, then tighten 1/4 turn more
6.A) Contact local propane/LP or natural gas company
B)Clean ODS/pilot (see Cleaning and Maintenance, page 23) or replace ODS/ pilot assembly
7.Replace pilot assembly
8.Replace control valve
Burner does not light after | 1. Burner orifice is clogged | 1. | Clean burner (see Cleaning | |
ODS/pilot is lit |
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| and Maintenance, page 23) |
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| or replace burner orifice |
| 2. | Inlet gas pressure too low | 2. | Contact local propane/LP |
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| or natural gas company |
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Delayed ignition of burner | 1. Manifold pressure too low | 1. | Contact local propane/LP | |
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| or natural gas company |
| 2. | Burner orifice is clogged | 2. | Clean burner (see Cleaning |
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| and Maintenance, page 23) |
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| or replace burner orifice |
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Burner backfiring during | 1. Burner orifice is clogged or | 1. | Clean burner (see Cleaning | |
combustion |
| damaged |
| and Maintenance, page 23) |
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| or replace burner orifice |
| 2. | Burner damaged | 2. | Replace burner pressure |
| 3. | Low inlet gas pressure | 3. | Contact local propane/LP |
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| or natural gas company |
| 4. | Gas regulator defective | 4. | Replace gas regulator |
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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 |
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| burner (see Cleaning and |
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| Maintenance, page 23) |
| 2. | Gas regulator defective | 2. | Replace gas regulator |
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