Superior BXI2518MN Installation And Operation Instructions Manual page 21

OBSERVED PROBLEM
Burner does not light after pilot is lit.
Delayed ignition burner.
Burner backfiring during combustion.
Slight smoke or odor during initial opera-
tion.
Heater produces a whistling noise when
burner is lit.
127116-01A
TROUBLESHOOTING Continued
POSSIBLE CAUSE
1. Burner orifice clogged.
2. Inlet gas pressure is too low.
3. Thermopile leads disconnected or im-
properly connected.
4. Thermopile is defective.
1. Manifold pressure is too low.
2. Burner porting or orifice clogged.
1. Burner orifice is clogged or damaged.
2. Damaged burner.
3. Gas regulator defective.
1. Residues from manufacturing processes
and logs curing.
1. Air in gas line.
2. Dirty or partially clogged burner orifice.
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REMEDY
1. Clean burner (see Cleaning and Mainte-
nance, page 19) or replace burner orifice.
2. Contact local propane/LP or natural gas
company.
3. Reconnect leads (see Wiring Diagram,
page 23).
4. Replace thermopile.
1. Contact local propane/LP or natural gas
company.
2. Clean burner (see Cleaning and Mainte-
nance, page 19) or replace burner orifice.
1. Clean burner (see Cleaning and Mainte-
nance, page 19) or replace burner orifice.
2. Replace damaged burner.
3. Replace gas control.
1. Problem will stop after a few hours of
operation.
1. Operate burner until air is removed
from line. Have gas line checked by local
propane/LP or natural gas company.
2. Clean burner (see Cleaning and Mainte-
nance, page 19) or replace burner orifice.
21