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 |
| propane/LP gas company |
|
| thermocouple to cool, caus- |
|
|
|
| ing 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: |
| page 30) or replace ODS/pilot |
|
| A) Low gas pressure |
| 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/ pilot is lit
1.Inlet gas pressure is too low
2.Burner orifice is clogged
3.Thermopile leads discon- nected or improperly con- nected
4.Burners will not come on in remote position (Remote- Ready Models Only)
1.Contact local natural or pro- pane/LP gas company
2.Clean burner (see Cleaning and Maintenance, page 30) or replace burner orifice
3.Reconnect leads (see Wiring Diagram, page 35)
4.Replace battery in
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, page 30) or |
|
|
|
| replace burner orifice |
|
|
|
| |
Burner backfiring during com- | 1. Burner orifice is clogged or | 1. | Clean burner (see Cleaning | |
bustion |
| damaged |
| and Maintenance, page 30) 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 |
32 | www.desatech.com |
