Desa V)CD36RN - Manual (Page 43)

www.desatech.com 116035-01E 43
TROUbLEShOOTING
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 use any phone in your
building.
• Immediately call your gas supplier from a neighbor’s phone. Fol-
low the gas supplier’s instructions.
• If you cannot reach your gas supplier, call the fire department.
POSSIBLE CAUSE
1. Pilot flame may be too low
to sense flame causing igni-
tion module to shut down
2. Improper venting, exces-
sive blockage, or high wind
conditions. Overdrafting of
straight (no offset) vertical
vent systems over 15 feet in
height.
1. Metal expanding while heat-
ing or contracting while
cooling
1. Residues from manufacturing
processes and logs curing
1. Gas leak. See Warning
statement at top of
page
2. Control valve defective
1. Flame impingement on logs
and burner
2. Gas leak. See Warning
statement at top of
page
1. Improper log placement
2. Air holes at burner inlet
blocked
3. Burner flame holes blocked
4. Improper venting or exces-
sive blockage
5. Excessive amounts of em-
bers and pan material
OBSERvED PROBLEM
Frequent outage of main burner
and pilot after complete ignition
sequence.
Fireplace produces a clicking/
ticking noise just after burner
is lit or shut off
Slight smoke or odor during
initial operation
Gas odor even when control
knob is in OFF position
Glass soots
Dark residue on logs or inside
of fireplace
REMEDY
1. Clean and adjust pilot flame for
maximum flame across sensor
rod.
2. Have vent system inspected, includ-
ing the termination cap. Remove
any restriction or obstruction. Add
restrictor plate model VR-58 in
straight vertical systems over 15
feet (if not previously installed)
1. This is common with most fireplac-
es. If noise is excessive, contact
qualified service person
1. Problem will stop after a few hours
of operation
1. Locate and correct all leaks (see
Checking Gas Connections, page
28)
2. Replace gas conrol valve
1. Adjust the log set that the flame
does not excessively impinge on
log surfaces
2. Inspect the opening at the base of
the burner to see that it is NOT
packed with any type of material
1. Properly locate logs (see Install-
ing Logs, Lava Rock, and Glowing
Embers, page 30)
2. Clean out air holes at burner inlets,
Periodically repeat as needed
3. Remove blockage or replace
burner
4. Have the vent system inspected,
including the termination cap. Re-
move any restrictions or blackage
5. Clear excess embers from around
the rear main ports. Use a mini-
mum of one layer of smaller ember
peices to acheive the best glowing
effect over the visible areas