TROUBLE-
SHOOTING
Note: All troubleshooting items are listed in order of operation.
WARNING
WARNING ICON | G 001 |
Turn off and unplug heater and let cool before servicing. Unless you need gas supply for testing, shut off manual shutoff valve before servicing. Only a qualified service person should service and repair heater and venting system.
CAUTION
WARNING ICONG 001
Never use a wire, needle, or similar object to clean pilot. This can damage pilot.
OBSERVED | POSSIBLE |
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PROBLEM | CAUSE | REMEDY | |||
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When ignitor button | 1. Incorrect spark gap. | 1. | Adjust spark gap to 1/16". | ||
is pressed, there is no | 2. | Ignitor electrode posi- | 2. | Replace ignitor. | |
spark at pilot. |
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| 3. | Ignitor electrode broken. | 3. | Replace ignitor. | |
| 4. | Ignitor electrode not con- | 4. | Reconnect ignitor cable. | |
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| 5. | Ignitor cable pinched or | 5. | Free ignitor cable if | |
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| wet. |
| pinched by any metal or | |
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| tubing. Keep ignitor | |
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| cable dry. | |
| 6. | Piezo ignitor nut is loose. | 6. | Tighten nut holding piezo | |
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| ignitor to heater cabinet. | |
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| Nut is located inside | |
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| heater cabinet at top. | |
| 7. | Broken or frayed ignitor | 7. | Replace ignitor cable. | |
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| cable. |
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| 8. | Loose ignitor cable. | 8. | Reconnect ignitor cable. | |
| 9. | Bad piezo ignitor. | 9. | Replace piezo ignitor. | |
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When ignitor button is pressed, there is spark at pilot but no ignition.
1.Gas supply turned off or manual shutoff valve closed.
2.Control knob not in PILOT position.
3.Control knob not pressed in while in PILOT position.
4.Air in gas lines when installed.
5.Pilot is clogged.
6.Gas regulator setting is not correct.
1.Turn on gas supply or open manual shutoff valve.
2.Turn control knob to PILOT position.
3.Press in control knob while in PILOT position.
4.Continue holding down control knob. Repeat igniting operation until air is removed.
5.Clean pilot (see Clean- ing and Maintenanc, page 26) or replace pilot assembly.
6.Replace control valve.
Continued | 27 |
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