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4. FREQUENCY OF OPERATOR CHECKS
Intermittent use.
Appliances that are used seasonally should be checked before shutdown and again before the next use.
Dusty, wet or corrosive environment.
Since these environments can cause the gas control to deteriorate more rapidly, the system should be checked
more often. The gas control should be replaced if:
A. It does not perform properly on checkout or trouble shooting.
B. The gas control knob Is hard to turn or push down, or it fails to pop back up when released.
Below in chart form are various symptoms of a malfunctioning system, possible defects that will cause these
symptoms and suggested corrective measures. The chart assumes that the proper gas pressure is available to the
heater and that the lighting procedure is as stated on the plate attached to the heater.
SYMPTOMS
Burner light off very slow
Burner light off very slow and
infra-red color stays dull
Burner flash back (roaring noise
during operation and ceramic grid
surface will be dark)
Ceramic grid or burner sooting up
(when new or after cleaning)
Pilot cannot be ignited
Pilot lights, but goes out
Pilot stays lit but main burner will not
light
Failure to ignite
HEATSTAR Gas Fired Infrared Workshop Heater
Table 4. Troubleshooting Chart
CAUSES
Partially block pilot orifice
Pilot out of adjustment
Partially blocked burner orifice
Low gas pressure
Damaged burner
First check for damaged burner
orifice
If burner orifice is not damaged then
check for damaged manifold
Blocked pilot orifice
Gas knob not in position
Pilot gas flow adjustment screw may
be closed
Defective thermocouple
Defective control
Loose wire or improperly wired
Defective control
Blocked burner orifice
Main gas off
Air in gas line
Loose wire connections
Dirty wire connections
E13
SOLUTIONS
Replace
Re-adjust pilot
Replace
Call your gas supplier
Replace
Replace if damaged
Replace
Replace
Gas knob must be turned to pilot and
held depressed
Open and adjust (see Figure 12)
Replace
Replace
Tighten connections, check wiring
diagram
Replace
Clean orifice or replace
Open manual valves
Bleed gas line
Tighten wire connections
Clean terminals and secure terminals
Operating Instructions and Owner's Manual
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