TROUBLESHOOTING
Continued
OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY |
|
| |||
|
|
|
|
| |||
ODS/pilot lights but flame | 1. Control knob not fully pressed | 1. | Press in control knob fully | ||||
goes out when control knob is |
| in | 2. | After ODS/pilot lights, keep | |||
released | 2. Control knob not pressed in | ||||||
|
|
| long enough |
| control knob pressed in 30 | ||
|
| 3. | Safety interlock system has | 3. | seconds |
|
|
|
| Wait one minute for safety in- | |||||
|
|
| been triggered |
| terlock system to reset. Repeat | ||
|
| 4. | Equipment shutoff valve not | 4. | ignition operation |
|
|
|
| Fully open equipment shutoff | |||||
|
| 5. | fully open | 5. | valve |
|
|
|
| Pilot flame not touching ther- | A) Contact local natural or | ||||
|
|
| mocouple, which allows ther- |
| propane/LP gas company | ||
|
|
| mocouple to cool, causing |
| B) Clean ODS/pilot (see | ||
|
|
| pilot flame to go out. This |
| |||
|
|
| problem could be caused by |
| Cleaning and Maintenance, | ||
|
|
| one or both of the following: |
| page 27) or replace ODS/pilot | ||
|
|
| A) Low gas pressure |
| assembly |
|
|
|
|
| B) Dirty or partially clogged |
|
|
|
|
|
| 6. | ODS/pilot | 6. | Hand tighten until snug, then | ||
|
| Thermocouple connection | |||||
|
| 7. | loose at control valve | 7. | tighten 1/4 turn more | ||
|
| Thermocouple damaged | Replace pilot assembly | ||||
|
| 8. | Control valve damaged | 8. | Replace control valve | ||
|
|
|
|
|
| ||
Burner does not light after | 1. Inlet gas pressure is too low | 1. | Contact local natural or pro- | ||||
ODS/pilot is lit | 2. | Burner orifice is clogged | 2. | pane/LP gas company | |||
|
| Clean burner (see | Cleaning | ||||
|
|
|
|
| and Maintenance, | page 27) | |
|
| 3. | Thermopile leads disconnected | 3. | or replace burner orifice | ||
|
| Reconnect leads (see Wiring | |||||
|
|
| or improperly connected (Re- |
| Diagram, page 28) |
|
|
|
| 4. |
|
|
|
| |
|
| Burners will not come on in re- | 4. | Replace battery in transmitter | |||
|
|
| mote position | ||||
|
|
| Models Only) |
| and receiver |
|
|
|
|
|
|
|
| ||
Delayed ignition of burner | 1. Manifold pressure is too low | 1. | Contact local natural or pro- | ||||
|
| 2. | Burner orifice is clogged | 2. | pane/LP gas company | ||
|
| Clean burner (see | Cleaning | ||||
|
|
|
|
| and Maintenance, | page 27) | |
|
|
|
|
| or replace burner orifice | ||
|
|
|
|
|
| ||
Burner backfiring during com- | 1. Burner orifice is clogged or | 1. | Clean burner (see Cleaning | ||||
bustion |
| damaged |
| and Maintenance, | page 27) | ||
|
| 2. | Damaged burner | 2. | or replace burner orifice | ||
|
| 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 | ||
30 | www.desatech.com |
