Design Dynamics DVF-36S-N - Manual (Page 26)

www.desatech.com 120441-01A 26
OBSERVED PROBLEM
Pilot will not stay lit
No gas to burner, although wall
switch and valve are set to the
ON position
Frequent pilot outage
Fireplace produces a clicking/
ticking noise just after burner
is lit or shut off
Slight smoke or odor during
initial operation
REMEDY
1. Check wiring connection.
Refer to wiring diagram
(see Wiring Diagram, page
21) and/or check ground
wire to ignition module
2. Clean and adjust pilot burn-
er and check gas supply
and inlet pressure to unit
Note: Have a qualified tech-
nician replace pilot assem-
bly if broken or corroded
1. Check electrical connec-
tions
1. Clean and adjust pilot flame
for maximum flame impinge-
ment on thermopile
2. Have the vent system in-
spected, including the ter-
mination cap. Remove any
restriction or obstruction
1. This is normal with most
fireplaces. If noise is ex-
cessive, contact qualified
service person
1. Problem will stop after a few
hours of operation
trOUBLeShOOtinG
Continued
POSSIBLE CAUSE
1. Loose wiring on ignitor wire
to ignition module and/or
poor ground to ignition
module
2. Pilot flame too low to
sense
1. Wall switch wires defective
or too long
1. Pilot flame may be too
low, causing safety pilot to
“drop out”
2. Improper venting or exces-
sive blockage
1. Metal expanding while
heating or contracting while
cooling
1. Residues from manufac-
turing processes and logs
curing