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 |
| control knob pressed in 30 | ||
| 3. | long enough | 3. | seconds | |
| Equipment shutoff valve not | Fully open equipment shutoff | |||
| 4. | fully open | 4. | 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 |
| Cleaning and Maintenance, | |
|
| problem could be caused by |
| page 23) or replace ODS/pilot | |
|
| one or both of the following: |
| assembly | |
|
| A) Low gas pressure |
|
|
|
|
| B) Dirty or partially clogged |
|
|
|
| 5. | ODS/pilot | 5. | Hand tighten until snug, then | |
| Thermocouple connection | ||||
| 6. | loose at control valve | 6. | tighten 1/4 turn more | |
| Thermocouple damaged | Replace pilot assembly | |||
| 7. | Control valve damaged | 7. | Replace control valve | |
|
|
|
|
| |
Burner does light after ODS/ | 1. Burner orifice clogged | 1. | Clean burner (see Cleaning | ||
pilot is lit |
|
|
| and Maintenance, page 23) | |
| 2. | Inlet gas pressure is too low | 2. | or replace burner orifice | |
| Contact local natural or pro- | ||||
| 3. | Thermopile leads disconnect- | 3. | pane/LP gas company | |
| Reconnect leads (see Wiring | ||||
|
| ed or improperly connected |
| Diagram, page 32) | |
| 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 natural or pro- | ||
| 2. | Burner orifice clogged | 2. | pane/LP gas company | |
| Clean burner (see Cleaning | ||||
|
|
|
| and Maintenance, page 23) | |
|
|
|
| or replace burner orifice | |
|
|
|
|
| |
Burner backfiring during com- | 1. Burner orifice is clogged or | 1. | Clean burner (see Cleaning | ||
bustion |
| damaged |
| and Maintenance, page 23) | |
| 2. | Damaged burner | 2. | or replace burner orifice | |
| Replace damaged burner | ||||
| 3. | Gas regulator defective | 3. | Replace gas control |
www.desatech.com | 25 |