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 pressed, | 1. Ignitor electrode positioned | 1. | Replace pilot assembly | |
there is no spark at ODS/pilot |
| wrong | 2. | Replace pilot assembly |
| 2. | Ignitor electrode broken | ||
| 3. | Ignitor electrode not con- | 3. | Reconnect ignitor cable |
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| nected to ignitor cable | 4. | Free ignitor cable if pinched |
| 4. | Ignitor cable pinched or wet | ||
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| by any metal or tubing. Keep |
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| ignitor cable dry |
| 5. | Broken ignitor cable | 5. | Replace ignitor cable |
| 6. | Bad piezo ignitor | 6. | Replace piezo ignitor |
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When ignitor button is pressed, | 1. Gas supply turned off or equip- | 1. | Turn on gas supply or open | |
there is spark at ODS/pilot but |
| ment shutoff valve closed |
| equipment shutoff valve |
no ignition | 2. Control knob not in PILOT | 2. | Turn control knob to PILOT | |
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| position |
| position |
| 3. | Control knob not pressed in | 3. | Press in control knob while in |
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| while in PILOT position |
| PILOT position |
| 4. | Air in gas lines when in- | 4. | Continue holding down con- |
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| stalled |
| trol knob. Repeat igniting op- |
| 5. | Depleted gas supply (propane/ |
| eration until air is removed |
| 5. | Contact local propane/LP gas | ||
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| LP gas only) |
| company |
| 6. | ODS/pilot is clogged | 6. | Clean ODS/pilot (see Clean- |
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| ing and Maintenance, page |
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| 16) or replace ODS/pilot as- |
| 7. | Gas regulator setting is not |
| sembly |
| 7. | Replace gas regulator | ||
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| correct |
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18 | www.desatech.com |
