Desa CGN30D Manuale Utente

24

101826

Burner(s) does not
light after ODS/pilot
is lit

Delayed ignition of
burner(s)

Burner backfiring
during combustion

Burner plaque(s) does
not glow

Slight smoke or odor
during initial operation

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

1. Clean burner orifice(s)

(see Cleaning and Main-
tenance, page 22) or re-
place burner orifice(s)

2. Replace burner orifice(s)

3. Contact local natural gas

company

1. Contact local natural gas

company

2. Clean burner orifice(s)

(see Cleaning and Main-
tenance, page 22) or re-
place burner orifice(s)

1. Clean burner orifice(s)

(see Cleaning and Main-
tenance, page 22) or re-
place burner orifice(s)

2. Contact local natural gas

company

3. Replace burner
4. Replace gas regulator

1. Replace burner
2. Contact local natural gas

company

3. Turn control knob until it

locks at desired setting

1. Problem will stop after a

few hours of operation

1. This is common with

most heaters. If noise is
excessive, contact quali-
fied service person

1. Burner orifice(s) is

clogged

2. Burner orifice(s)

diameter is too small

3. Inlet gas pressure is

too low

1. Manifold pressure is

too low

2. Burner orifice(s) is

clogged

1. Burner orifice(s) is

clogged or damaged

2. Inlet gas pressure is

too low

3. Burner damaged
4. Gas regulator defective

1. Plaque damaged
2. Inlet gas pressure is

too low

3. Control knob set

between locked
positions

1. Residues from manu-

facturing processes

1. Metal expanding while

heating or contracting
while cooling