TROUBLESHOOTING
NOTE: All troubleshooting items are listed in order of operation and likely occurrence. 
WARNING: 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.
Make sure grille guard is in place before running heater. If screen or grille guard is removed for servicing it must be replaced prior to operating the heater.
| OBSERVED SYMPTOM |
| POSSIBLE CAUSE |
| REMEDY |
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When ignitor button is pressed | 1. Ignitor electrode positioned wrong. | 1. | Reposition electrode | ||
| in, there is no spark at pilot | 2. ignitor electrode is broken. | 2. | Replace electrode | |
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| 3. | Ignitor electrode not connected to ignitor. | 3. | Reconnect ignitor cable |
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| 4. | Ignitor cable pinched or wet. | 4. | Free ignitor cable if pinched by any metal |
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| or tubing. Keep ignitor cable dry. |
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| 5. | Broken ignitor cable. | 5. | Replace ignitor cable |
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| 6. | Bad Piezo ignitor. | 6. | Replace control valve (Piezo is part of |
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| control valve on 10K units). |
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| 7. | Low Battery. | 7. | Replace battery |
| ODS/pilot lights but flame | 1. | Gas supply turned off or equipment shut- | 1. Turn on gas supply turn off or open equip- | |
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| off valve closed. |
| ment shutoff valve closed | |
| goes out when control knob is |
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| 2. Control knob not fully pressed in while | 2. | Fully press in control knob while pressing | ||
| released | ||||
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| pressing ignition button. |
| ignition button |
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| 3. Air in gas line when installed. | 3. | Continue holding down control knob. Re- | |
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| peat ignition operation until air is removed. |
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| 4. | Clean ODS/pilot (see Cleaning and Main- |
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| 4. | ODS/pilot is clogged. |
| tenance page 13). |
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| 5. | Gas regulator setting is not correct | 5. | Replace gas regulator |
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| 6. Turn Control knob to pilot position | |||
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| 6. | Control knob not in pilot position | ||
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| When ignitor button is pressed | 1. Control knob not fully pressed in. | 1. | Press in control knob fully | |
| in, there is a spark at the ODS/ | 2. Control knob not pressed in long enough | 2. After ODS/pilot lights, keep control knob | ||
| pilot but no ignition |
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| pressed in for 30 seconds |
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| 3. | Equipment shutoff valve not fully open |
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| 3. | Fully open equipment shutoff valve | ||
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| 4. Thermocouple connection loose at con- | |||
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| 4. | Hand tighten thermocouple nut until snug, | ||
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| trol valve | ||
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| and then tighten 1/4 turn more. | |
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| 5. | Pilot flame not touching thermocouple, |
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| 5. | - | ||
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| which allows thermocouple to cool, caus- | ||
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| ing pilot flame to go out. This problem |
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| could be caused by one or both of the |
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| following: |
| a. Contact local gas company |
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| a. Low gas pressure |
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| b. Dirty or partially clogged ODS/pilot |
| b. Clean ODS/pilot (see Cleaning and |
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| Maintenance, page ?). |
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| 6. Thermocouple damaged | 6. | Replace thermocouple | |
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| 7. | Control valve damaged | 7. | Replace Control valve. |
| Burner does not light after | 1. Burner orifice is clogged | 1. | Clean burner orifice (see Cleaning and | |
| ODS/pilot is lit |
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| Maintenance on page 13), or replace |
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| burner orifice |
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| 2. | Burner orifice diameter to small | 2. | Replace burner orifice |
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| 3. | Inlet gas pressure is too low | 3. | Contact local gas company |
| Delayed ignition of burner | 1. Manifold pressure is too low | 1. | Contact local gas company | |
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| 2. | Burner orifice is clogged | 2. | Clean burner orifice (see Cleaning and |
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| Maintenance on page 13), or replace |
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| burner orifice |
Unvented Natural Gas Fired Room Heater 14 Installation Instructions and Owner’s Manual