Installation Guide

33
OBSERVED PROBLEM POSSIBLE CAUSE SOLUTION
ODS/PILOT lights but fl ame goes
out when control knob is released
Control knob is not fully pressed in Press control knob completely
Control knob not pressed in long enough After ODS/Pilot lights keep control knob
pressed thirty (30) seconds
Safety interlock system has been triggered (if
equipped)
Wait one (1) minute for safety interlock
system to reset
Manual shutoff valve not fully open Fully open manual shutoff valve
Thermo-couple connection loose at control
valve
Hand tighten until snug, then tighten 1/4
turn
Pilot fl ame not touching thermo-couple,
which allows thermo-couple to cool, causing
pilot fl ame to go out. This problem can be
caused by one or both of the following:
A) Low gas pressure
B) Dirty or partially clogged ODS/Pilot
A) Contact local propane gas company
B) Clean ODS/Pilot (See Cleaning
and Maintenance) or replace ODS/Pilot
assembly
Control valve damaged Replace valve control
Burner does not light after ODS/
Pilot is lit
Burner orifi ce is clogged Clean burner (see Cleaning and
Maintenance) or replace burner orifi ce
Inlet gas pressure is too low Contact local propane gas company
Delayed ignition of burner Manifold pressure is too low Contact local propane gas company
Burner orifi ce is clogged Clean burner (see Cleaning and
Maintenance) or replace
burner orifi ce
Burner backfi ring during
combustion
Burner orifi ce is clogged or
damaged
Clean burner (see Cleaning and
Maintenance) or replace
burner orifi ce
Burner damaged Replace burner
Gas regulator defective Replace gas regulator
Slight smoke or odor during
initial operation
Residues from manufacturing process Problem will stop after a few hours of
operation
Heater produces a whistling
noise when burner is lit
Turning control knob to “HI” position when
burner is cold (if equipped with this type of
valve)
Turn control knob to “LOW” position and
allow to warm
Air in gas line Operate burner until air is removed from
line. Call local propane company to check
gas line
Air passageways on heater blocked Observe minimum installation clearances
Dirty or partially clogged burner orifi ce Clean burner or replace orifi ce