Desa CLD3924NT Unvented Natural Gas Log Heater, CGS2718N, CGS3124N, CLD3018N, Troubleshooting

Models: CCL3930NT(A) CLD3924NT CLD3018N

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ing Gas Connections, page 12)

CGS2718N, CGS3124N, CLD3018N,

CLD3924NT, and CCL3930NT(A)

UNVENTED NATURAL GAS LOG HEATER

TROUBLESHOOTING

Continued

Manual background WARNING: If you smell gas

Shut off gas supply.

Do not try to light any appliance.

Do not touch any electrical switch; do not use any phone in your building.

Immediately call your gas supplier from a neighbor’s phone. Follow the gas supplier’s instructions.

If you cannot reach your gas supplier, call the fire department.

IMPORTANT: Operating heater where impurities in air exist may create odors. Cleaning supplies, paint, paint remover, cigarette smoke, cements and glues, new carpet or textiles, etc., create fumes. These fumes may mix with combustion air and create odors. These odors will disappear over time.

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

Heater produces a clicking/ticking noise just after burner is lit or shut off

1.Metal expanding while heating or con- tracting while cooling

1.This is common with most heaters. If noise is excessive, contact qualified ser- vice person

Heater produces unwanted odors

1.

Heater burning vapors from paint, hair

 

 

spray, glues, cleaners, chemicals, new

 

 

carpet, etc. (See IMPORTANT state-

 

 

ment above)

 

2.

Gas leak. See Warning statement at

 

 

top of page

1.Open window and ventilate room. Stop using odor causing products while heater is running

2.Locate and correct all leaks (see Check- ing Gas Connections, page 12)

Heater shuts off in use (ODS operates)

1.

Not enough fresh air is available

1.

Open window and/or door for ventilation

 

2.

Low line pressure

2.

Contact local natural gas company

 

3.

ODS/pilot is partially clogged

3.

Clean ODS/pilot (see Cleaning and

 

 

 

 

Maintenance, page 19)

 

 

 

 

 

Gas odor even when control knob is in OFF

1.

Gas leak. See Warning statement at

1.

Locate and correct all leaks (see Check-

position

 

top of page

 

ing Gas Connections, page 12)

 

2.

Control valve defective

2.

Replace control valve

Gas odor during combustion

1.

Foreign matter between control valve

 

 

and burner

 

2.

Gas leak. See Warning statement at

 

 

top of page

1.Take apart gas tubing and remove for- eign matter

2.Locate and correct all leaks (see Check- ing Gas Connections, page 12)

Log set cycles to pilot, but room tempera- ture drops to a lower than ideal level before log set comes back on

1.Thermostat sensing bulb needs to be re- positioned

1.Reposition thermostat sensing bulb (see Optional Positioning of Thermostat Sensing Bulb, page 23

www.desatech.com

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Desa Unvented Natural Gas Log Heater, CGS2718N, CGS3124N, CLD3018N, CLD3924NT, and CCL3930NTA, Troubleshooting

FAQ

How do I address clicking/ticking noises from the heater?

If the noise is excessive, contact a qualified service person.

Why is the heater producing unwanted odors?

The heater may be burning vapors from paint, hair spray, glues, cleaners, chemicals, or new carpet. Make sure the room is well-ventilated and stop using odor-causing products while the heater is running.

How can I prevent the heater from shutting off during use?

Open a window and/or door for ventilation to ensure enough fresh air is available. Additionally, clean the ODS/pilot if it is partially clogged.