CGD3924PR, CGB3924PR and CGB3930PR
UNVENTED PROPANE/LP GAS LOG HEATER
TROUBLESHOOTING
Note: All troubleshooting items are listed in order of operation.
WARNING: Turn off heater and let cool before servicing. Only a qualified service person should service and repair heater.
CAUTION: Never use a wire, needle, or similar object to clean ODS/pilot. This can damage ODS/ 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 |
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spark at ODS/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 to base | |
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| panel of log set. Nut is located behind | |
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| base panel. | |
| 4. | Broken ignitor cable | 4. | Replace ignitor cable | |
| 5. | Bad piezo ignitor | 5. | Replace piezo ignitor | |
| 6. | Ignitor electrode broken | 6. | Replace piezo ignitor | |
| 7. | Ignitor electrode positioned wrong | 7. | Replace piezo ignitor | |
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When ignitor button is pressed, there is | 1. | Gas supply turned off or manual shutoff | 1. | Turn on gas supply or open manual | |
spark at ODS/pilot but no ignition |
| valve closed |
| shutoff valve | |
| 2. | Control knob not in PILOT position | 2. | Turn control knob to PILOT position | |
| 3. | Control knob not pressed in while in | 3. | Press in control knob while in PILOT | |
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| PILOT position |
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| 4. | Air in gas lines when installed | 4. | Continue holding down control knob. | |
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| Repeat igniting operation until air is re- | |
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| moved | |
| 5. | Depleted gas supply | 5. | Contact local propane gas company | |
| 6. | ODS/pilot is clogged | 6. | Clean ODS/pilot (see Cleaning and | |
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| Maintenance, page 17) or replace ODS/ | |
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| pilot assembly | |
| 7. | Gas regulator setting is not correct | 7. | Replace gas control | |
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ODS/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 ODS/pilot lights, keep control | |
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| knob pressed in 30 seconds | |
| 3. | Manual shutoff valve not fully open | 3. | Fully open manual | |
| 4. | Pilot flame not touching thermocouple, | 4. | A) Contact local propane gas company | |
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| which allows thermocouple to cool, |
| B) Clean ODS/pilot (see Cleaning and | |
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| causing pilot flame to go out. This prob- |
| Maintenance, page 17) or replace ODS/ | |
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| lem could be caused by one or both of |
| pilot assembly | |
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| the following: |
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| A) Low gas pressure |
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| B) Dirty or partially clogged ODS/pilot |
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| 5. | Thermocouple connection loose at con- | 5. | Hand tighten until snug, then tighten 1/4 | |
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| trol valve |
| turn more | |
| 6. | Thermocouple damaged | 6. | Replace thermocouple | |
| 7. | Control valve damaged | 7. | Replace control valve | |
18 | 104307 |