Vanguard Heating VGN30 - Manual (Page 20)

20
WARNING !
WARNING ICON G 001
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.
POSSIBLE
CAUSE
1. Metal expanding while
heating or contracting
while cooling
1. Heater burning vapors
from paint, solvents,
glues, etc.
2. Gas leak. See Warn-
ing statement at
top of page
1. Not enough fresh air is
available
2. Low line pressure
3. ODS/pilot is partially
clogged
1. Gas leak. See Warn-
ing statement at
top of page
2. Control valve defective
1. Foreign matter between
control valve and
burner
2. Gas leak. See Warn-
ing statement at
top of page
OBSERVED
PROBLEM
Heater produces a
clicking/ticking noise
just after burner is lit or
shut off
Heater produces un-
wanted odors
Heater shuts off in use
(ODS operates)
Gas odor even when
control knob is in OFF
position
Gas odor during com-
bustion
REMEDY
1. This is common with
most heaters. If noise is
excessive, contact quali-
fied service person
1. Ventilate garage. Stop
using odor causing prod-
ucts while heater is run-
ning
2. Locate and correct all
leaks (see CHECKING
GAS CONNECTIONS,
page 11)
1. Open window and/or
door for ventilation
2. Contact local natural gas
company
3. Clean ODS/pilot (see
CLEANING AND
MAINTENANCE, page
17)
1. Locate and correct all
leaks (see CHECKING
GAS CONNECTIONS,
page 11)
2. Replace control valve
1. Take apart gas tubing
and remove foreign mat-
ter
2. Locate and correct all
leaks (see CHECKING
GAS CONNECTIONS,
page 11)