Enerco HSIR10NG, TSIR20NGT Troubleshooting CON’T, Observed SYMPTOM­ Possible CAUSE­ REMEDY­

OBSERVED SYMPTOM­

POSSIBLE CAUSE­

REMEDY­

Burner backfiring during opera-

1.

Burner orifice is clogged or damaged

1.

Clean burner orifice (see Cleaning and

Maintenance on page 13), or replace

tion

2.

Burner damaged

burner orifice

2.

Replace burner

3.

Gas regulator defective

3.

Replace gas regulator

Burner plaque(s) does not glow

1.

Plaque damaged

1.

Replace burner

2.

Control knob set between locked posi-

2.

Turn control knob until it locks at desired

[Infrared Only]

tions.

setting.

3.

Inlet gas pressure is too low

3.

Replace gas regulator

Slight smoke or odor during

1. Residues from manufacturing process

1.

Problem will stop after a few hours of

initial operation

operation

Heater produces a whistling

1. Turning control knob to HI position when

1.

Turn control knob to LO position and let

burner is cold

warm up for a minute.

noise when burner is lit

2. Air in gas line

2.

Operate burner until air is removed from

line have gas line checked by local gas

3. Air passageways on heater blocked

company.

3.

Observe minimum installation clearances

(see Figure 4 page6)

4. Dirty or partially clogged burner orifice.

4.

Clean burner orifice (see Cleaning and

Maintenance on page 13), or replace

burner orifice.

White powder residue forming

1. When heated, vapors from furniture polish,

1.

Turn heater off when using furniture

within burner box or on adja-

wax, carpet cleaners, etc., turn into white

polish, wax, carpet cleaner or similar

cent walls or furniture

powder residue

products.

OBSERVED SYMPTOM­

POSSIBLE CAUSE­

REMEDY­

Heater produces unwanted

1.

Heater burning vapors from paint, hair

1.

Ventilate room. Stop using odor-causing

spray, glues, etc. See IMPORTANT state-

products while heater is running.­

odors.­

ment above­

2.

Gas leak. See WARNING statement at top

2.

Locate and correct all leaks (see Checking

of page.­

Gas Connections, page 8)­

Heater shuts off in use (ODS

1.

Not enough fresh air is available­

1.

Open window and/or door for ventilation­

operates)­

2.

Low line pressure­

2.

Contact local gas company

3.

ODS/pilot is partially clogged­

3.

Clean ODS/pilot (see Cleaning and Mainte-

nance, page 13)­

Gas odor even when control

1.

Gas leak. See WARNING statement at top

1.

Locate and correct all leaks (see Checking

of page­

Gas Connections, page 8)­

knob is in OFF position­

2.

Control valve is defective­

2.

Replace control valve­

1.

Foreign matter between control valve and

1.

Take apart gas tubing and remove foreign

Gas odor during combustion­

burner­

matter­

2.

Gas leak. See WARNING statement at top

2.

Locate and correct all leaks (see Checking

of page­

Gas Connections, page 8)­

Heater produces a clicking/tick-

1.

Metal expanding while heating or contract-

1.

This is common with most heaters. If noise

ing noise just after burner is lit

ing while cooling

is excessive, contact qualified service

or shut off

person

Moisture/condensation noticed

1.

Not enough combustion/ventilation air

1.

Refer to Fresh Air for Combustion and

on windows

Ventilation page 3 through 5

Unvented Natural Gas Fired Room Heater 15

Installation Instructions and Owner’s Manual