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TROUBLESHOOTING
TROUBLESHOOTING
Note: For additional help, visit DESA’s technical service web site at www.desatech.com.
Note: All troubleshooting items are listed in order of operation.
WARNING: Turn off burner system and let cool before servicing. Only a qualified service person should ser- vice and repair burner system or stove.
CAUTION: Never use a wire, needle, or similar ob- ject to clean pilot. This can damage pilot unit.
OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | ||
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When ignitor button is pressed, there is no | 1. | Ignitor electrode not connected to igni- | 1. | Reconnect ignitor cable |
spark at pilot |
| tor cable |
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| 2. | Ignitor cable pinched or wet | 2. | Free ignitor cable if pinched by any |
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| metal or tubing. Keep ignitor cable dry |
| 3. | Piezo ignitor nut is loose | 3. | Tighten nut holding piezo ignitor. Nut |
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| is located behind the mounting bracket |
| 4. | Broken ignitor cable | 4. | Replace ignitor cable |
| 5. | Bad piezo ignitor | 5. | Replace piezo ignitor |
| 6. | Ignitor electrode broken | 6. | Replace pilot assembly |
| 7. | Ignitor electrode positioned wrong | 7. | Replace pilot assembly |
When ignitor button is pressed, there is spark at pilot but no ignition
1.Gas supply turned off or equipment shutoff valve closed
2.Gas control knob not in PILOT position
3.Gas control knob not pressed in while in PILOT position
4.Air in gas lines when installed
5.Depleted gas supply (propane/LP only)
6.Pilot is clogged
7.Gas regulator setting is not correct
1.Turn on gas supply or open equipment shutoff valve
2.Turn gas control knob to PILOT position
3.Press in gas control knob while in PILOT position
4.Continue holding down gas control knob. Repeat igniting operation until air is removed
5.Contact local propane/LP gas company
6.Clean pilot (see Cleaning and Mainte- nance, page 29) or replace pilot assembly
7.Replace gas control
Pilot lights but flame goes out when control | 1. | Gas control knob not fully pressed in | 1. | Press in gas control knob fully |
knob is released | 2. | Gas control knob not pressed in long | 2. | After pilot lights, keep gas control knob |
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| enough |
| 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 gas company |
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| which allows thermocouple to cool, |
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| causing pilot flame to go out. This prob- |
| B) Clean pilot (see Cleaning and |
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| lem could be caused by one or both of |
| Maintenance, page 29) or replace pilot |
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| the following: |
| assembly |
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| A) Low gas pressure |
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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 pilot assembly |
| 7. | Control valve damaged | 7. | Replace control valve |
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