Vanguard Heating Gas Log Heater User Manual
28
103515
TECHNICAL
SERVICE
You may have further questions about installation, operation, or troubleshooting.
If so, contact DESA International’s Technical Service Department at
1-800-DESA LOG (1-800-337-2564).
If so, contact DESA International’s Technical Service Department at
1-800-DESA LOG (1-800-337-2564).
TROUBLE-
SHOOTING
Continued
WARNING
If you smell gas
• Shut off gas supply.
• Do not try to light any appliance.
• Do not touch any electrical switch; do not
• 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.
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.
carpet or textiles, etc., create fumes. These fumes may mix with combustion air
and create odors. These odors will disappear over time.
POSSIBLE
CAUSE
CAUSE
1. Metal expanding while
heating or contracting
while cooling
while cooling
1. Heater burning vapors
from paint, hair spray,
glues, cleaners, chemi-
cals, new carpet, etc. (See
glues, cleaners, chemi-
cals, new carpet, etc. (See
IMPORTANT
statement
above)
2. Gas leak.
See Warning
statement at top of
page
page
1. Not enough fresh air is
available
2. Low line pressure
3. ODS/pilot is partially
clogged
1. Gas leak.
See Warning
statement at top of
page
page
2. Control valve defective
1. Foreign matter between
control valve and burner
2. Gas leak.
See Warning
statement at top of
page
page
OBSERVED
PROBLEM
PROBLEM
Heater produces a
clicking/ticking noise
just after burner is lit or
shut off
clicking/ticking noise
just after burner is lit or
shut off
Heater produces
unwanted odors
unwanted odors
Heater shuts off in use
(ODS operates)
(ODS operates)
Gas odor even when
control knob is in OFF
position
control knob is in OFF
position
Gas odor during
combustion
combustion
REMEDY
1. This is common with
most heaters. If noise is
excessive, contact
qualified service person
excessive, contact
qualified service person
1. Open window and
ventilate room. Stop
using odor causing
products while heater is
running
using odor causing
products while heater is
running
2. Locate and correct all
leaks (see Checking Gas
Connections, page 18)
Connections, page 18)
1. Open window and/or
door for ventilation
2. Contact local natural
gas company
3. Clean ODS/pilot (see
Cleaning and Mainte-
nance, page 25)
nance, page 25)
1. Locate and correct all
leaks (see Checking Gas
Connections, page 18)
Connections, page 18)
2. Replace control valve
1. Take apart gas tubing and
remove foreign matter
2. Locate and correct all
leaks (see Checking Gas
Connections, page 18)
Connections, page 18)