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 | ||
| 3. | Ignitor electrode not connected to | 3. | Reconnect ignitor cable | |
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| ignitor. | 4. | Free ignitor cable if pinched by any metal | |
| 4. | Ignitor cable pinched or wet. | |||
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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 | ||
| 7. Low battery |
| control valve on 10K units). | ||
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| 7. | Replace battery | |
ODS/pilot lights but flame goes |
|
| 1. Turn on gas supply or open equipment | ||
1. Gas supply turned off or equipment |
| shutoff valve | |||
out when control knob is |
| ||||
released |
| shutoff valve closed. | 2. | Fully press in control knob while pressing | |
| 2. | Control knob not fully pressed in while |
| ignition button | |
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| pressing ignition button. | 3. | Continue holding down control knob. | |
| 3. | Air in gas line when installed. |
| Repeat ignition operation until air is | |
| 4. | ODS/pilot is clogged. |
| removed. | |
| 4. | Clean ODS/pilot (see Cleaning and | |||
| 5. | Gas regulator settign is not correct. | |||
|
| Maintenance page 13). | |||
| 6. Control knob not in pilot position. |
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| 5. | Replace gas regulator | |||
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| 6. Turn Control knob to pilot position | ||
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. After ODS/pilot lights, keep control knob | ||||
pilot but no ignition | 2. Control knob not presed in long enough | ||||
| pressed in for 30 seconds | ||||
| 3. Equipment shutoff valve not fully open | 3. | Fully open equipment shutoff valve | ||
| 4. | Thermocouple connection loose at | 4. | Hand tighten thermocouple nut until | |
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| control valve |
| snug, and then tighten 1/4 turn more. | |
| 5. | Pilot flame not touching thermocouple, | 5. - | ||
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| which allows thermocouple to cool, |
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| |
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| causing pilot flame to go out. This |
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| problem could be caused by one or both |
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| |
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| of the 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 | |
| 6. | Thermocouple damaged |
| Maintenance, page 13). | |
| 6. | Replace thermocouple | |||
| 7. | Control valve damaged | |||
| 7. | Replace Control valve. | |||
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Burner does not light after | 1. | Burner orifice is clogged | 1. | Clean burner orifice (see Cleaning and | |
ODS/pilot is lit |
| Maintenance on page 13), or replace | |||
2. | Burner orifice diameter too small |
| |||
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| burner orifice | |||
| 3. | Inlet gas pressure is too low | 2. | Replace burner orifice | |
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| 3. | Contact local gas company | |
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 | |
14 Installation instructions and Owner’s Manual 70575 Rev. E 04/07
