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.
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OBSERVED SYMPTOM |
| POSSIBLE CAUSE |
| REMEDY | ||
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 | |||
| 3. | Ignitor electrode not connected to ignitor. | 3. | Reconnect ignitor cable | ||
| 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. | ||
| 5. | Broken ignitor cable. | 5. | Replace ignitor cable | ||
| 6. | Bad Piezo ignitor. | 6. | Replace control valve (Piezo is part of | ||
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| control valve on 10K units). | ||
| 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- | ||
| 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 | ||
| 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- | ||
| 4. | ODS/pilot is clogged. |
| tenance page 13). | ||
| 5. | Gas regulator setting is not correct | 5. | Replace gas regulator | ||
| 6. | Turn Control knob to pilot position | ||||
| 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 |
3.Equipment shutoff valve not fully open
4.Thermocouple connection loose at con- trol valve
5.Pilot flame not touching thermocouple, which allows thermocouple to cool, caus- ing pilot flame to go out. This problem could be caused by one or both of the following:
a.Low gas pressure
b.Dirty or partially clogged ODS/pilot
3.Fully open equipment shutoff valve
4.Hand tighten thermocouple nut until snug, and then tighten 1/4 turn more.
5.-
a.Contact local gas company
b.Clean ODS/pilot (see Cleaning and Maintenance, page 13).
| 6. Thermocouple damaged | 6. | Replace thermocouple | |
| 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 |
| 2. | Burner orifice diameter to small |
| burner orifice |
| 2. | Replace burner orifice | ||
| 3. | Inlet gas pressure is too low | 3. | Contact local gas company |
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Delayed ignition of burner | 1. Manifold pressure is too low | 1. | Contact local gas company | |
| 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 Liquid Propane Fired Room Heater | 14 | Installation Instructions and Owner’s Manual |