TROUBLESHOOTING
Continued
OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | ||
ODS/pilot lights but flame goes | 1. Control knob not fully | 1. | Press in control knob fully | |
out when control knob is released |
| pressed in |
|
|
| 2. | Control knob not pressed in | 2. | After ODS/pilot lights, keep con- |
|
| long enough |
| trol knob pressed in 30 seconds |
| 3. | Safety interlock system has | 3. | Wait one minute for safety in- |
|
| been triggered |
| terlock system to reset. Repeat |
|
|
|
| ignition operation |
| 4. | Equipment shutoff valve not | 4. | Fully open equipment shutoff |
|
| fully open |
| valve |
| 5. | Pilot flame not touching ther- | 5. | A) Contact local natural or |
|
| mocouple, which allows ther- |
| propane/LP gas company |
|
| mocouple to cool, causing |
|
|
|
| pilot flame to go out. This |
| B) Clean ODS/pilot (see |
|
| problem could be caused by |
| Cleaning and Maintenance, |
|
| one or both of the following: |
| pages 26 and 27) or replace |
|
| A) Low gas pressure |
| ODS/pilot assembly |
|
| B) Dirty or partially clogged |
|
|
|
| ODS/pilot |
|
|
| 6. | Thermocouple connection | 6. | Hand tighten until snug, then |
|
| loose at control valve |
| tighten 1/4 turn more |
| 7. | Thermocouple damaged | 7. | Replace pilot assembly |
| 8. | Control valve damaged | 8. | Replace control valve |
|
|
|
| |
Burner does not light after ODS/ | 1. Inlet gas pressure is too low | 1. | Contact local natural or pro- | |
pilot is lit |
|
|
| pane/LP gas company |
| 2. | Burner orifice is clogged | 2. | Clean burner (see Cleaning and |
|
|
|
| Maintenance, pages 26 and 27) |
|
|
|
| or replace burner orifice |
| 3. | Thermopile leads disconnected | 3. | Reconnect leads (see Wiring |
|
| or improperly connected |
| Diagram, page 27) |
| 4. | Burners will not come on in | 4. | Replace battery in |
|
| remote position |
| remote and receiver |
|
|
|
| |
Delayed ignition of burner | 1. Manifold pressure is too low | 1. | Contact local natural or pro- | |
|
|
|
| pane/LP gas company |
| 2. | Burner orifice is clogged | 2. | Clean burner (see Cleaning and |
|
|
|
| Maintenance, pages 26 and 27) |
|
|
|
| or replace burner orifice |
|
|
|
| |
Burner backfiring during | 1. Burner orifice is clogged or | 1. | Clean burner (see Cleaning and | |
combustion |
| damaged |
| Maintenance, pages 26 and 27) |
|
|
|
| or replace burner orifice |
| 2. | Damaged burner | 2. | Replace damaged burner |
| 3. | Gas regulator defective | 3. | Replace gas regulator |
| 4. | Inlet gas pressure is too low | 4. | Contact local natural or pro- |
|
|
|
| pane/LP gas company |
www.desatech.com | 29 |
