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Troubleshooting – FMI CCL3018PTA/NTA User Manual

Page 23

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124971-01C

23

TROUBLESHOOTING

Continued

POSSIBLE CAUSE

1. Control knob not fully

pressed in

2. Control knob not pressed in

long enough

3. Equipment shutoff valve not

fully open

4. Pilot flame not touching

thermocouple, which al-

lows 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

5. Thermocouple connection

loose at control valve

6. Thermocouple damaged

7. Control valve damaged

1. Burner orifice clogged

2. Inlet gas pressure is too

low

1. Manifold pressure is too

low

2. Burner orifice clogged

1. Burner orifice is clogged or

damaged

2. Damaged burner

3. Gas regulator defective

1. Not enough air

2. Gas regulator defective

3. Residues from manufac-

turing processes and logs

curing

REMEDY

1. Press in control knob fully

2. After ODS/pilot lights, keep

control knob pressed in 30

seconds

3. Fully open equipment shut-

off valve

4. A) Contact local propane/

LP or natural gas com-

pany

B) Clean ODS/pilot (see

Cleaning and Maintenance,

page 20) or replace ODS/

pilot assembly

5. Hand tighten until snug,

then tighten 1/4 turn more

6. Replace pilot assembly

7. Replace control valve

1. Clean burner (see Cleaning

and Maintenance, page 20)

or replace burner orifice

2. Contact local propane/LP

or natural gas company

1. Contact local propane/LP

or natural gas company

2. Clean burner (see Cleaning

and Maintenance, page 20)

or replace burner orifice

1. Clean burner (see Cleaning

and Maintenance, page 20)

or replace burner orifice

2. Replace damaged burner

3. Replace gas regulator

1. Check burner for dirt and

debris. If found, clean

burner (see Cleaning and

Maintenance, page 20)

2. Replace gas regulator

3. Problem will stop after a few

hours of operation

OBSERVED PROBLEM

ODS/pilot lights but flame

goes out when control knob

is released

Burner doesn't light after

ODS/pilot is lit

Delayed ignition of burner

Burner backfiring during

combustion

Slight smoke or odor during

initial operation

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