TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

 

Pilot lights but flame goes

1. Gas control knob not fully

1.

Press in gas control knob

out when control knob is

 

pressed in

 

fully

released

2. Gas control knob not

2.

After pilot lights, keep gas

 

 

pressed in long enough

 

control knob pressed in 30

 

 

 

 

seconds

 

3.

Equipment shutoff valve

3.

Fully open equipment shut-

 

 

not fully open

 

off valve

 

4.

Pilot flame not touching

4.

A) Contact local natural or

 

 

thermocouple, which al-

 

propane/LP gas company

 

 

lows thermocouple to cool,

 

B) Clean pilot (see Clean-

 

 

causing pilot flame to go

 

ing and Maintenance,

 

 

out. This problem could

 

page 31) or replace pilot

 

 

be caused by one or both

 

assembly

 

 

of the following:

 

 

 

 

A) Low gas pressure

 

 

 

 

B) Dirty or partially clogged

 

 

 

 

pilot

 

 

 

5.

Thermocouple connection

5.

Hand tighten until snug,

 

 

loose at control valve

 

then tighten 1/4 turn more

 

6.

Thermocouple damaged

6.

Replace pilot assembly

 

7.

Control valve damaged

7.

Replace control valve

 

 

 

 

Burner does not light after

1. Burner orifice clogged

1.

Clean burner (see Cleaning

pilot is lit

 

 

 

and Maintenance, page 31)

 

 

 

 

or replace burner orifice

 

2.

Inlet gas pressure is too

2.

Contact local propane/LP

 

 

low

 

or natural gas company

 

3.

Thermopile leads discon-

3.

Reconnect leads to TP &

 

 

nected or improperly con-

 

TPTH terminals on control

 

 

nected

 

valve

 

4.

Thermopile is defective

4.

Replace thermopile

 

 

 

 

Delayed ignition burner

1. Manifold pressure is too

1.

Contact local propane/LP

 

 

low

 

or natural gas company

 

2.

Burner porting or orifice

2.

Clean burner (see Cleaning

 

 

clogged

 

and Maintenance, page 31)

 

 

 

 

or replace burner orifice

 

 

 

 

Burner backfiring during

1. Burner orifice is clogged or

1.

Clean burner (see Cleaning

combustion

 

damaged

 

and Maintenance, page 31)

 

 

 

 

or replace burner orifice

 

2.

Damaged burner

2.

Replace damaged burner

 

3.

Gas regulator defective

3.

Replace gas control

Slight smoke or odor during initial operation

1.Residues from manufac- turing processes and logs curing

1.Problem will stop after a few hours of operation

34

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