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| VENTED/UNVENTED TROUBLESHOOTING | GUIDE |
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OBSERVED PROBLEM | POSSIBLE CAUSE |
| REMEDY |
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1. | When igniter button is | A. Igniter electrode positioned wrong. | Replace igniter. |
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| pressed, there is no spark |
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| Replace igniter. |
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| at ODS/pilot. | B. Igniter electrode broken. |
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| C. Igniter electrode not connected to igniter cable. | Reconnect igniter cable. |
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| D. Igniter cable pinched or wet. | Free igniter cable if pinched by any metal or tubing. Keep igniter cable dry. |
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| E. Piezo igniter nut is loose. | Tighten nut. |
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| F. Broken igniter cable. | Replace igniter cable. |
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| G. Bad piezo igniter. | Replace piezo igniter. |
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2. | Heater produces unwanted | A. Heater burning vapors from paint, hair spray, glues, etc. | Ventilate room. Stop using |
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| odors. |
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| B. Gas leak. See Warning statement on the front page. | Locate and correct all leaks. |
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3. | Heater shuts off in use | A. Not enough fresh air is available. | Open window and/or door for ventilation. |
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| (ODS operates). |
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| B. Low line pressure. | Contact local gas company. |
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| C. ODS/pilot is partially clogged. | Clean ODS/pilot. |
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4. | Gas odor even when control | A. Gas leak. See Warning statement on the front page. | Locate and correct all leaks (see Checking Gas Connections, page 6). |
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| knob is in “OFF” position. |
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| B. Control valve defective. | Replace control valve. |
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5. | When igniter button is |
| A. Gas supply turned off or manual | Turn on gas supply or open manual |
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| pressed, there is spark at | B. Control knob not in “PILOT” position. | Turn control knob to pilot position. |
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| ODS/pilot, but no ignition. |
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| C. Control knob not pressed in while in “PILOT” position. | Press in control knob while in pilot position. |
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| D. Air in gas lines when installed. | Continue holding down control knob. Repeat igniting operation until air is |
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| removed. |
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| E. ODS/pilot is clogged. | Replace ODS/pilot assembly or get it serviced. |
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| F. Gas regulator setting is not correct. | Replace gas regulator. |
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6. | ODS/pilot lights, but flame | A. Control knob not fully pressed in. | Press in control knob fully. |
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| goes out when control knob |
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| is released. | B. Control knob not pressed in long enough. | After ODS/pilot lights, keep control knob pressed in 30 seconds. |
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| C. Manual | Fully open manual |
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| D. Thermocouple connection loose at control valve. | Hand tighten until snug, then tighten ¹⁄₄ turn more. |
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| E. Pilot flame not touching thermocouple, which allows |
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| thermocouple to cool, causing pilot flame to go out. This |
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| problem could be caused by one or both of the following: | 1). Contact local gas company. |
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| 1). Low gas pressure |
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| 2). Dirty or partially clogged ODS/pilot | 2). Replace ODS/pilot assembly or get pilot serviced. |
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| F. Thermocouple damaged. | Replace thermocouple. |
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| G. Control valve damaged. | Replace control valve. |
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7. | Burner does not light after | A. Burner orifice is clogged. | Clean burner or replace burner orifice. |
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| ODS/pilot is lit. |
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| B. Burner orifice diameter is too small. | Replace burner orifice. |
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| C. Inlet gas pressure is too low. | Contact local gas company. |
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8. | Delayed ignition of burner. | A. Manifold pressure is too low. | Contact local gas company. |
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| B. Burner orifice is clogged. | Clean burner or replace burner orifice. |
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9. | Burner backfiring during | A. Burner orifice is clogged or damaged. | Clean burner or replace burner orifice. |
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| combustion. |
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| B. Burner damaged. | Replace burner. |
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| C. Gas regulator defective. | Replace gas regulator. |
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10. | Slight smoke or odor during | A. Vapors from paint or curing process of logs. | Problem will stop after a few hours of operation. Superior recommends |
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| initial operation. |
| running the heater with the excess ventilation for the first few hours. |
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11. | Heater produces a whistling | A. Turning control knob to “HI” position when burner is cold. | Turn control knob to “LO” position and let warm up for a minute. |
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| noise when burner is lit. |
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| B. Air in gas line. | Operate burner until air is removed from line. Have gas line checked by local gas |
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| company. |
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| C. Dirty or partially clogged burner orifice. | Clean burner or replace burner orifice. |
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