TROUBLESHOOTING
Continued
OBSERVED PROBLEM POSSIBLE CAUSE | REMEDY |
ODS/pilot lights but flame goes out when control knob is released
1.Control knob not fully pressed in
2.Control knob not pressed in long enough
3.Safety interlock system has been triggered
4.Equipment shutoff valve not fully open
5.Pilot flame not touching thermocouple, which al- lows thermocouple to cool, causing pilot flame to go out. This problem could be caused by one or both of the following:
A)Low gas pressure
B)Dirty or partially clogged ODS/pilot
6.Thermocouple connection loose at control valve
7.Thermocouple damaged
8.Control valve damaged
1.Press in control knob fully
2.After ODS/pilot lights, keep control knob pressed in 30 seconds
3.Wait one minute for safety interlock system to reset. Repeat ignition operation
4.Fully open equipment shut- off valve
5.A) Contact local natural or propane/LP gas company
B)Clean ODS/pilot (see Cleaning and Maintenance, page 20) or replace ODS/ pilot assembly
6.Hand tighten until snug, then tighten 1/4 turn more
7.Replace pilot assembly
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 propane/LP gas company
2.Clean burner (see Cleaning and Maintenance, page 20) or replace burner orifice
3.Reconnect leads (see Wir- ing Diagram, page 21)
4.Replace battery in transmit- ter and receiver
Delayed ignition of burner | 1. Manifold pressure is too | 1. | Contact local natural or | ||
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| low |
| propane/LP gas company |
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| 2. | Burner orifice is clogged | 2. | Clean burner (see Cleaning |
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| and Maintenance, page 20) |
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| or replace burner orifice |
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Burner backfiring during com- | 1. Burner orifice is clogged or | 1. | Clean burner (see Cleaning | ||
bustion |
| damaged |
| and Maintenance, page 20) | |
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| or replace burner orifice |
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| 2. | Damaged burner | 2. | Replace damaged burner |
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| 3. | Gas regulator defective | 3. | Replace gas regulator |
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| 4. | Inlet gas pressure is too | 4. | Contact local natural or |
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| low |
| propane/LP gas company |
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