TROUBLESHOOTING
Continued
OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | |||
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Pilot will not stay lit | 1. | Loose wiring on ignitor wire | 1. | Check wiring connection. | |
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| to ignition module and/or poor |
| Refer to wiring diagram (see | |
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| ground to ignition module |
| Wiring Diagram, page 27) | |
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| and/or check ground wire to | |
| 2. | Pilot flame too low to sense | 2. | ignition module | |
| Clean and adjust pilot burner | ||||
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| and check gas supply and inlet | |
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| pressure to unit | |
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| Note: Have a qualified techni- | |
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| cian replace pilot assembly if | |
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| broken or corroded | |
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No gas to burner, although wall | 1. | Wall switch wires defective | 1. | Check electrical connections | |
switch and valve are set to the |
| or too long |
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ON position |
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Frequent pilot outage | 1. | Pilot flame may be too low, | 1. | Clean and adjust pilot flame for | |
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| causing safety pilot to “drop |
| maximum flame impingement | |
| 2. | out” | 2. | on thermopile | |
| Improper venting or excessive | Have the vent system inspect- | |||
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| blockage |
| ed, including the termination | |
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| cap. Remove any restriction | |
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| or obstruction | |
32 | www.desatech.com |
