TROUBLESHOOTING
29
TROUBLESHOOTING
Continued
| OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | ||||
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| Heater produces a whistling noise when | 1. | Turning control knob to HI position | 1. | Turn control knob to LO position and | ||
| burner is lit |
| when burner is cold |
| let warm up for a minute | ||
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| 2. | Air in gas line | 2. | Operate burner until air is removed from | |
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| line. Have gas line checked by local | |
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| natural gas company | |
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| 3. | Air passageways on heater blocked | 3. | Observe minimum installation clear- | |
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| ances (see page 8) | |
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| 4. | Dirty or partially clogged burner orifice | 4. | Clean burner (see Cleaning and Main- | |
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| tenance, pages 26 and 27) or replace | |
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| burner orifice | |
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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 ODS/pilot (manual ignition mode) |
| 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 | |
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| 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 | |
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| 4. | Broken ignitor cable | 4. | Replace ignitor cable | |
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| 5. | Bad piezo ignitor | 5. | Replace piezo ignitor | |
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| 6. | Ignitor electrode broken | 6. | Replace pilot assembly | |
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| 7. | Ignitor electrode positioned wrong | 7. | Replace pilot assembly | |
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| When ignitor button is pressed, there is | 1. | Gas supply turned off or equipment | 1. | Turn on gas supply or open equipment | ||
| spark at ODS/pilot but no ignition (manual |
| shutoff valve closed |
| shutoff valve | ||
| ignition mode) | 2. | Control knob not in PILOT position | 2. | Turn control knob to PILOT position full | ||
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| counterclockwise | |
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| 3. | Air in gas lines when installed | 3. | Continue holding control knob in full | |
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| counterclockwise position. Repeat | |
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| igniting operation until air is removed | |
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| 4. | Depleted gas supply (propane/LP only) | 4. | Contact local propane/LP gas company | |
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| 5. | ODS/pilot is clogged | 5. | Clean ODS/pilot (see Cleaning and | |
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| Maintenance, pages 26 and 27) or re- | |
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| place ODS/pilot assembly | |
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| 6. | Gas regulator setting is not correct | 6. | Replace gas regulator | |
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| ODS/pilot lights but flame goes out when | 1. | Control knob not fully turned counter- | 1. | Turn control knob fully counterclock- | ||
| control knob is released (manual ignition |
| clockwise |
| wise | ||
| mode) | 2. | Control knob not held long enough | 2. | After ODS/pilot lights, hold control | ||
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| knob for 30 seconds | |
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| 3. | Equipment shutoff valve not fully open | 3. | Fully open equipment shutoff valve | |
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| 4. | Pilot flame not touching thermocouple, | 4. | A) Contact local natural or propane/LP | |
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| which allows thermocouple to cool, caus- |
| gas company | |
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| ing pilot flame to go out.This problem could |
| B) Clean ODS/pilot (see Cleaning and | |
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| be caused by one or both of the following: |
| Maintenance, pages 26 and 27) or re- | |
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| A) Low gas pressure |
| place ODS/pilot assembly | |
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| B) Dirty or partially clogged OD S/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 | |
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| 6. | Thermocouple damaged | 6. | Replace pilot assembly | |
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| 7. | Control valve damaged | 7. | Replace control valve | |
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