12
TROUBLESHOOTING
TROUBLESHOOTING
Continued
OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | ||
Pilot lights but flame goes out when | 1. | Control knob not fully pressed in | 1. | Press in control knob fully |
control knob is released | 2. | Control knob not pressed in long enough | 2. | After pilot lights, keep control knob |
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| pressed in 30 seconds |
| 3. | Equipment shutoff valve not fully open | 3. | Fully open equipment shutoff valve |
| 4. | Pilot flame not touching thermocouple, | 4. | A) Contact local natural or propane/LP |
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| which allows thermocouple to cool, caus- |
| gas company |
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| ing pilot flame to go out. This problem could |
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| be caused by one or both of the following: |
| B) Clean pilot (see Cleaning and Mainte- |
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| A) Low gas pressure |
| nance, page 10) or replace pilot assembly |
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| B) Dirty or partially clogged pilot |
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| 5. | Thermocouple connection loose at con- | 5. | Hand tighten until snug, then tighten |
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| trol valve |
| 1/4 turn more |
| 6. | Thermocouple damaged | 6. | Replace thermocouple |
| 7. | Control valve damaged | 7. | Replace control valve |
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Burner does not light after pilot is lit | 1. | Burner orifice clogged | 1. | Clean burner orifice |
| 2. | Inlet gas pressure is too low | 2. | Contact local natural or propane/LP gas |
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| company |
| 3. | Burner orifice diameter is too small | 3. | Replace burner orifice |
| 4. | Thermocouple leads disconnected or im- | 4. | Reconnect leads |
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| properly connected |
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Delayed ignition burner | 1. | Pilot flame needs adjusting | 1. | Adjust pilot flame for approximately |
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| 2" blue flame |
| 2. | Wrong pilot orifice | 2. | Replace pilot orifice set |
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