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TROUBLESHOOTING
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TROUBLESHOOTING
Note: All troubleshooting items are listed in order of operation.
WARNING: Turn off heater and let cool before servicing. Only a qualified service per- son should service and repair heater.
CAUTION: Never use a wire, needle, or similar object to clean ODS/pilot. This can damage ODS/ pilot unit.
| OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | ||
| When ignitor button is pressed, there is no | 1. | Ignitor electrode positioned wrong | 1. | Replace pilot assembly |
| spark at ODS/pilot | 2. | Ignitor electrode broken | 2. | Replace pilot assembly |
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| 3. | Ignitor electrode not connected to igni- | 3. | Reconnect ignitor cable |
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| tor cable |
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| 4. | Ignitor cable pinched or wet | 4. | Free ignitor cable if pinched by any |
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| metal or tubing. Keep ignitor cable dry |
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| 5. | Piezo ignitor nut is loose | 5. | Tighten nut holding piezo ignitor to |
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| heater cabinet. Nut is located inside |
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| heater cabinet at top |
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| 6. | Broken ignitor cable | 6. | Replace ignitor cable |
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| 7. | Bad piezo ignitor | 7. | Replace piezo ignitor |
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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 |
| shutoff valve closed |
| shutoff valve |
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| 2. | Control knob not in PILOT position | 2. | Turn control knob to PILOT position |
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| 3. | Control knob not pressed in while in | 3. | Press in control knob while in PILOT |
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| PILOT position |
| position |
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| 4. | Air in gas lines when installed | 4. | Continue holding down control knob. |
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| Repeat igniting operation until air is re- |
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| moved |
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| 5. | ODS/pilot is clogged | 5. | Clean ODS/pilot (see Cleaning and |
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| Maintenance, page 12) or replace ODS/ |
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| 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 pressed in | 1. | Press in control knob fully |
| control knob is released | 2. | Control knob not pressed in long enough | 2. | After ODS/pilot lights, keep control |
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| knob pressed in 30 seconds |
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| 3. | Safety interlock system has been trig- | 3. | Wait one minute for safety interlock sys- |
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| gered |
| tem to reset. Repeat ignition operation. |
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| 4. | Equipment shutoff valve not fully open | 4. | Fully open equipment shutoff valve |
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| 5. | Thermocouple connection loose at con- | 5. | Hand tighten until snug, then tighten 1/4 |
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| trol valve |
| turn more |
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| 6. | Pilot flame not touching thermocouple, | 6. | A) Contact local propane/LP gas company |
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| which allows thermocouple to cool, |
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| causing pilot flame to go out. This prob- |
| B) Clean ODS/pilot (see Cleaning and |
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| lem could be caused by one or both of |
| Maintenance, page 12) or replace ODS/ |
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| the following: |
| pilot assembly |
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| A) Low gas pressure |
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| B) Dirty or partially clogged ODS/pilot |
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| 7. | Thermocouple damaged | 7. | Replace pilot assembly |
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| 8. | Control valve damaged | 8. | Replace control valve |
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