
TROUBLESHOOTING
Continued
OBSERVED PROBLEM | POSSIBLE CAUSE | REMEDY | ||
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| |
Pilot lights but flame goes | 1. Gas control knob not fully | 1. | Press in gas control knob | |
out when control knob is |
| pressed in |
| fully |
released | 2. Gas control knob not | 2. | After pilot lights, keep gas | |
|
| pressed in long enough |
| control knob pressed in 30 |
|
|
|
| seconds |
| 3. | Equipment shutoff valve | 3. | Fully open equipment shut- |
|
| not fully open |
| off valve |
| 4. | Pilot flame not touching | 4. | A) Contact local natural or |
|
| thermocouple, which al- |
| propane/LP gas company |
|
| lows thermocouple to cool, |
| B) Clean pilot (see Clean- |
|
| causing pilot flame to go |
| ing and Maintenance, |
|
| out. This problem could |
| page 31) or replace pilot |
|
| be caused by one or both |
| assembly |
|
| of the following: |
|
|
|
| A) Low gas pressure |
|
|
|
| B) Dirty or partially clogged |
|
|
|
| pilot |
|
|
| 5. | Thermocouple connection | 5. | Hand tighten until snug, |
|
| loose at control valve |
| then 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 | 1. Burner orifice clogged | 1. | Clean burner (see Cleaning | |
pilot is lit |
|
|
| and Maintenance, page 31) |
|
|
|
| or replace burner orifice |
| 2. | Inlet gas pressure is too | 2. | Contact local propane/LP |
|
| low |
| or natural gas company |
| 3. | Thermopile leads discon- | 3. | Reconnect leads to TP & |
|
| nected or improperly con- |
| TPTH terminals on control |
|
| nected |
| valve |
| 4. | Thermopile is defective | 4. | Replace thermopile |
|
|
|
| |
Delayed ignition burner | 1. Manifold pressure is too | 1. | Contact local propane/LP | |
|
| low |
| or natural gas company |
| 2. | Burner porting or orifice | 2. | Clean burner (see Cleaning |
|
| clogged |
| and Maintenance, page 31) |
|
|
|
| or replace burner orifice |
|
|
|
| |
Burner backfiring during | 1. Burner orifice is clogged or | 1. | Clean burner (see Cleaning | |
combustion |
| damaged |
| and Maintenance, page 31) |
|
|
|
| or replace burner orifice |
| 2. | Damaged burner | 2. | Replace damaged burner |
| 3. | Gas regulator defective | 3. | Replace gas control |
Slight smoke or odor during initial operation
1.Residues from manufac- turing processes and logs curing
1.Problem will stop after a few hours of operation
34 | www.desatech.com |