TROUBLESHOOTING
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| Continued |
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OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | ||
ODS/pilot lights but flame goes | 1. Control knob not fully pressed in | 1. | Press in control knob fully | |
out when control knob is re- | 2. Control knob not pressed in | 2. | After ODS/pilot lights, keep con- | |
leased |
| long enough |
| trol knob pressed in 30 seconds |
| 3. | Equipment shutoff valve not | 3. | Fully open equipment shutoff |
|
| fully open |
| valve |
| 4. | Pilot flame not touching ther- | 4. | A) Contact local gas company |
|
| mocouple, which allows ther- |
|
|
|
| mocouple to cool, causing pi- |
| B) Clean ODS/pilot (see |
|
| lot flame to go out. This prob- |
| Cleaning and Maintenance, |
|
| lem could be caused by one or |
| pages 16 and 17) or replace |
|
| both of the following: |
| ODS/pilot assembly |
|
| A) Low gas pressure |
|
|
|
| B) Dirty or partially clogged |
|
|
|
| ODS/pilot |
|
|
| 5. | Thermocouple connection | 5. | Hand tighten until snug, then |
|
| loose at control valve |
| tighten 1/4 turn more |
| 6. | Thermocouple damaged | 6. | Replace pilot assembly |
| 7. | Control valve damaged | 7. | Replace control valve |
|
|
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| |
Burner does not light after ODS/ | 1. Burner orifice clogged | 1. | Clean burner (see Cleaning and | |
pilot is lit |
|
|
| Maintenance, pages 16 and 17) |
|
|
|
| or replace burner orifice |
| 2. | Inlet gas pressure is too low | 2. | Contact local gas company |
| 3. | Thermopile leads discon- | 3. | Reconnect leads (see wiring |
|
| nected or improperly con- |
| diagram) |
|
| nected |
|
|
| 4. | Burners will not come on in | 4. | Replace battery in transmitter |
|
| remote position |
| and receiver |
|
|
|
| |
Delayed ignition burner | 1. Manifold pressure is too low | 1. | Contact local gas company | |
| 2. | Burner orifice clogged | 2. | Clean burner (see Cleaning and |
|
|
|
| Maintenance, pages 16 and 17) |
|
|
|
| or replace burner orifice |
|
|
|
| |
Burner backfiring during com- | 1. Burner orifice is clogged or | 1. | Clean burner (see Cleaning and | |
bustion |
| damaged |
| Maintenance, pages 16 and 17) |
|
|
|
| or replace burner orifice |
| 2. | Damaged burner | 2. | Replace damaged burner |
| 3. | Gas regulator defective | 3. | Replace gas control |
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|
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| |
Slight smoke or odor during ini- | 1. Not enough air | 1. | Check burner for dirt and de- | |
tial operation |
|
|
| bris. If found, clean burner |
|
|
|
| (see Cleaning and Mainte- |
|
|
|
| nance, pages 16 and 17) |
| 2. | Gas regulator defective | 2. | Replace gas control |
| 3. | Residues from manufacturing | 3. | Problem will stop after a few |
|
| processes and logs curing |
| hours of operation |
|
|
|
| |
Moisture/condensation noticed | 1. Not enough combustion/ven- | 1. | Refer to Air for Combustion | |
on windows |
| tilation air |
| and Ventilation requirements |
|
|
|
| (page 5) |
www.desatech.com | 19 |