Troubleshooting
WARNING:Turnoffandunplugheaterandletcoolbeforeservicing. 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.
Note: All troubleshooting items are listed in order of operation.
OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | ||
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When ignitor button is | 1. Ignitor electrode positioned | 1. | Replace pilot assembly | |
pressed in, there is no spark |
| wrong |
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|
at ODS/pilot | 2. Ignitor electrode broken | 2. | Replace pilot assembly | |
| 3. | Ignitor electrode not con- | 3. | Reconnect ignitor cable |
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| nected to ignitor cable |
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| 4. | Ignitor cable pinched or | 4. | Free ignitor cable if pinched |
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| wet |
| by any metal or tubing. |
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|
| Keep ignitor cable dry |
| 5. | Broken ignitor cable | 5. | Replace ignitor cable |
| 6. | Bad ignitor | 6. | Replace ignitor |
| 7. | Piezo ignitor nut is loose | 7. | Tighten nut holding piezo |
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| ignitor. Nut is located inside |
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| heater cabinet at top |
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| |
When ignitor button is | 1. Gas supply turned off or equip- | 1. | Turn on gas supply or open | |
pressed in, there is a spark |
| ment shutoff valve closed |
| equipment shutoff valve |
at ODS/Pilot but no ignition | 2. Control knob is not in pilot | 2. | Turn control knob to pilot | |
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| position |
| position |
| 3. | Control knob not fully | 3. | Turn to PILOT/IGN position. |
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| pressed in while pressing |
| Fully press in control knob |
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| ignitor button |
| while pressing ignitor button |
| 4. | Air in gas lines when in- | 4. | Continue holding down |
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| stalled |
| control knob. Repeat ignit- |
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|
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| ing operation until air is |
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| removed |
| 5. | Depleted gas supply (pro- | 5. | Contact local propane/LP |
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| pane/LP gas) |
| gas company |
| 6. | ODS/pilot is clogged | 6. | Clean ODS/pilot (see |
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| Cleaning, page 16) or re- |
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| place ODS/pilot assembly |
| 7. | Gas regulator setting is not | 7. | Replace gas regulator |
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| correct |
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Moisture/condensation no- | 1. Not enough combustion/ | 1. | Refer to Air for Combustion | |
ticed on windows |
| ventilation air |
| and Ventilation require- |
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| ments (page 5) |
18 | www.desatech.com |
