leaks (see Checking Gas

TROUBLE-

WARNING

SHOOTING

 

If you smell gas

Continued

• 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.

OBSERVED

POSSIBLE

 

 

 

 

 

 

 

 

PROBLEM

CAUSE

REMEDY

 

 

 

 

 

 

 

 

 

 

 

 

 

Heater produces a

1.

Metal expanding while

1.

This is

common with

clicking/ticking noise

 

heating or contracting

 

most heaters. If noise is

just after burner is lit

 

while cooling.

 

excessive, contact quali-

or shut off.

 

 

 

fied service person.

 

 

 

 

 

 

 

 

Heater produces un-

1.

Heater burning vapors

1.

Ventilate room. Stop us-

wanted odors.

 

from paint, hair spray,

 

ing odor causing prod-

 

 

glues, etc.

 

ucts while heater is run-

 

 

Gas leak. See Warn-

 

ning.

 

 

 

 

 

 

 

2.

2.

Find and

correct all

 

 

ing statement at top

 

leaks (see Checking Gas

 

 

of page.

 

Connections, page 13).

 

 

 

 

 

 

 

Heater shuts off in use.

1.

Heater not venting cor-

1.

Check venting system.

 

 

rectly. Vent safety

 

If damaged or blocked,

 

 

switch shuts off heater.

 

repair. If venting system

 

 

 

 

is OK,

have qualified

 

 

 

 

service

person replace

 

 

 

 

vent safety switch, wire

 

 

 

 

harness,

or thermo-

 

 

 

 

couple interrupter.

 

2.

Low line pressure.

2.

Contact local natural gas

 

 

 

 

company.

 

 

 

 

 

 

3.

Pilot partially clogged.

3.

Clean pilot (see Clean-

 

 

 

 

ing and Maintenance,

 

 

 

 

page 25).

 

 

 

 

 

 

 

 

 

 

 

 

 

Gas odor even when

1.

Gas leak. See Warn-

1.

Find and

correct all

control knob is in OFF

 

ing statement at

 

leaks (see Checking Gas

position.

 

top of page.

 

Connections, page 13).

 

2.

Control valve damaged.

2.

Replace control valve.

 

 

 

 

 

 

Gas odor during com-

1.

Foreign matter be-

1.

Take apart gas tubing

bustion.

 

tween control valve and

 

and remove foreign mat-

 

 

burner.

 

ter.

 

 

 

 

 

 

 

2.

Gas leak. See Warn-

2.

Find and

correct all

 

 

ing statement at

 

leaks (see Checking Gas

 

 

top of page.

 

Connections, page 13).

 

3.

Foreign fumes in area

3.

Ventilate

area around

 

 

of heater being drawn

 

heater

to

remove any

 

 

through burner com-

 

foreign fumes.

 

 

bustion.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

29

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Page 29
Image 29
Desa GVB50N, GVB35N Trouble, Shooting, Continued, leaks see Checking Gas, Connections, page, ing and Maintenance