TROUBLE- | OBSERVED | POSSIBLE |
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PROBLEM | CAUSE |
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| REMEDY |
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SHOOTING |
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Pilot lights but flame | 1. | Manual shutoff | valve | 1. | Fully open manual shut- | ||||||||
Continued | goes out when |
| not fully open. |
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| off valve. |
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| control knob is | 2. | Control knob not fully | 2. | Press | in control knob | |||||||
| released. |
| pressed in. |
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| fully. |
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| 3. | Control | knob | not | 3. | After pilot lights, keep | ||||||
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| pressed in long enough. |
| control knob pressed in | ||||||||
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| 4. | Safety interlock system |
| 30 seconds. |
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| 4. | Wait | one minute | for | ||||||||
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| has been triggered. |
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| safety interlock system | |||||||
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| 5. | Thermocouple connec- |
| to reset. Repeat ignition. | ||||||||
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| 5. | Hand tighten until snug, | ||||||||||
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| tion | loose at control |
| then tighten | 1/4 | turn | |||||
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| valve. |
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| more. |
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| 6. | Pilot flame not touching | 6. | A) Contact | qualified | |||||||
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| thermocouple, | which |
| service person to prop- | |||||||
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| allows thermocouple to |
| erly adjust pilot flame | ||||||||
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| cool, | causing | pilot |
| B) Contact local natural | ||||||
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| flame to go out. This |
| gas company. |
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| problem | could | be |
| C) Clean pilot (see |
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| caused by any or all of |
| Cleaning and Mainte- | ||||||||
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| the following: |
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| nance, page 25) or |
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| A) Improperly adjusted |
| replace pilot assembly. | ||||||||
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| pilot flame |
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| B) Low gas pressure |
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| C) Dirty or partially |
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| clogged pilot |
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| 7. | Thermocouple | dam- | 7. | Replace thermocouple. | |||||||
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| aged. |
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| 8. | Control valve damaged. | 8. | Replace control valve. | ||||||||
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| Burner does not light | 1. | Safety interlock system | 1. | Fully | depress | control | ||||||
| after pilot is lit. |
| has been inadvertently |
| knob | in any |
| position | |||||
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| triggered. |
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| other than pilot and re- | |||||
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| lease. Wait one minute | ||||
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| for safety interlock sys- | ||||
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| tem to reset. Repeat igni- | ||||
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| 2. | Burner | orifice | is |
| tion. |
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| 2. | Clean burner (see Clean- | ||||||||||
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| clogged. |
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| ing and Maintenance, | |||||
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| page | 25) or | replace | ||
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| 3. | Burner orifice diameter |
| burner orifice. |
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| 3. | Replace burner orifice. | ||||||||||
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| is too small. |
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| 4. | Inlet gas pressure is too | 4. | Contact local | natural | |||||||
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| low. |
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| gas company. |
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| Delayed ignition of | 1. | Manifold pressure is too | 1. | Contact local | natural | |||||||
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| low. |
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| gas company. |
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| burner. |
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| 2. | Burner | orifice | is | 2. | Clean | burner | (see | |||||
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| clogged. |
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| Cleaning and Mainte- | |||||
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| nance, page 25) or re- | ||||
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| place burner orifice. | ||||
Continued
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27
