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OBSERVED POSSIBLE
PROBLEM CAUSE SOLUTION
Burner does not light after ODS/ 1. Burner orifice is clogged 1. Clean burner (see Cleaning
PILOT is lit. and Maintenance) or replace
burner orifice
2. Inlet gas pressure is too 2. Contact your local propane
low company
Delayed ignition of burner 1. Manifold pressure is too 1. Contact local propane
low company
2. Burner orifice is clogged 2. Clean burner (see Cleaning
and Maintenance ) or replace
burner orifice
Burner backfiring during 1. Burner orifice is clogged 1. Clean burner (see Cleaning
combustion or damaged and Maintenance) or replace
burner
2. Burner damaged 2. Replace burner
3. Gas regulator defective 3. Replace gas regulator
Slight smoke or odor during 1. Residues from manu- 1. Problem will stop after a
initial operation facturing process few hours of operation
Heater produces a whistling 1. Turning control knob to 1. Turn control knob to
noise when burner is lit “HI” position when burner “LOW” position and
is cold (if equipped with allow to warm for a
this type of valve) minute
2. Air in gas line 2. Operate burner until air is
removed from line. Call
local propane company to
check gas line.
3. Air passageways on heater 3. Observe minimum
blocked installation clearances
4. Dirty or partially clogged 4. Clean burner or replace
burner orifice orifice
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