Desa CGB35P - Manual (Page 29)

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WARNING
TROUBLE-
SHOOTING
Continued
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.
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.
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 room. Stop us-
ing odor causing products
while heater is running.
2. Refill supply tank.
3. Find and correct all leaks
(see Checking Gas Con-
nections, page 13).
1. Check venting system. If
damaged or blocked, re-
pair. If venting system is
OK, have qualified ser-
vice person replace vent
safety switch, wire har-
ness, or thermocouple in-
terrupter.
2. Contact local propane gas
company.
3. Clean pilot (see Cleaning
and Maintenance, page
25).
1. Find and correct all leaks
(see Checking Gas Con-
nections, page 13).
2. Replace control valve.
1. Take apart gas tubing and
remove foreign matter.
2. Find and correct all leaks
(see Checking Gas Con-
nections, page 13).
3. Ventilate area around
heater to remove any for-
eign fumes.
POSSIBLE
CAUSE
1. Metal expanding while
heating or contracting
while cooling.
1. Heater burning vapors
from paint, hair spray,
glues, etc.
2. Low fuel supply.
3. Gas leak.
See Warning
statement at top of
page.
1. Heater not venting
correctly. Vent safety
switch shuts off heater.
2. Low line pressure.
3. Pilot partially clogged.
1. Gas leak. See Warning
statement at top of
page.
2. Control valve damaged.
1. Foreign matter between
control valve and burner.
2. Gas leak. See Warning
statement at top of
page.
3. Foreign fumes in area of
heater being drawn
through burner combus-
tion.