OBSERVEDPROBLEM

OWNER’S MANUAL

TROUBLESHOOTING

Continued

OBSERVEDPROBLEM

POSSIBLE CAUSE

REMEDY

ODS/pilot lights but flame goes out when

1.

Control knob not fully pressed in

control knob is released

2.

Control knob not pressed in long enough

 

3.

Manual shutoff valve not fully open

 

4.

Thermocouple connection loose at

 

 

control valve

 

5.

Pilot flame not touching thermocouple,

 

 

which allows 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 damaged

 

7.

Control valve damaged

1.Press in control knob fully

2.After ODS/pilot lights, keep control knob pressed in 10 seconds

3.Fully open manual shut-off valve

4.Hand tighten until snug, then tighten 1/4 turn more

5.A) Contact local propane/LP gas company

B)Clean ODS/pilot (see Cleaning and Maintenance, page 15) or replace ODS/pilot assembly

6.Replace thermocouple

7.Replace control valve

Burner(s) does not light after ODS/pilot is

1.

Burner orifice(s) is clogged

1.

Clean burner orifice(s) (see Cleaning

lit

 

 

 

and Maintenance, page 15) or replace

 

 

 

 

burner orifice(s)

 

2.

Burner orifice(s) diameter is too small

2.

Replace burner orifice(s)

 

3.

Inlet gas pressure is too low

3.

Contact local propane/LP gas company

 

 

 

 

 

Delayed ignition of burner(s)

1.

Manifold pressure is too low

1.

Contact local propane/LP gas company

 

2.

Burner orifice(s) is clogged

2.

Clean burner orifice(s) (see Cleaning

 

 

 

 

and Maintenance, page 15) or replace

 

 

 

 

burner orifice(s)

Burner backfiring during combustion

1.

Burner orifice(s) is clogged or damaged

 

2.

Burner damaged

 

3.

Gas regulator defective

1.Clean burner orifice(s) (see Cleaning and Maintenance, page 15) or replace burner orifice(s)

2.Replace burner

3.Replace gas regulator

Burner plaque(s) does not glow

1.

Control knob set between locked

 

 

positions

 

2.

Inlet gas pressure is too low

 

3.

Plaque damaged

1.Turn control knob until it locks at desired setting

2.Contact local propane/LP gas company

3.Replace burner

Slight smoke or odor during initial opera-

1.

Residues from manufacturing processes

1.

Problem will stop after a few hours of

tion

 

 

 

operation

 

 

 

 

 

Heater produces a clicking/ticking noise

1.

Metal expanding while heating or

1.

This is common with most heaters. If

just after burner is lit or shut off

 

contracting while cooling

 

noise is excessive, contact qualified

 

 

 

 

service person

Continued

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Desa CGP10RL installation manual Troubleshooting, Continued, Observedproblem, Possible Cause, Remedy