Troubleshooting - Superior Fireplaces DRT4036TEN Installation And Operation Instruction Manual

Direct-vent gas fireplace
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WARNING: Turn off fireplace and let cool before servicing. Only a qualified service person should service
and repair fireplace.
CAUTION: Never use a wire, needle or similar object to clean pilot. This can damage pilot unit.
NOTE: All troubleshooting items are listed in order of operation.
OBSERVED PROBLEM
Igniter will not spark or pilot will not light
Pilot will not stay lit
No gas to burner, although safety shutoff
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
28

TROUBLESHOOTING

POSSIBLE CAUSE
1. No gas supply or shutoff valve is OFF
2. Air in gas line
3. Construction debris clogging pilot orifice
4. Low gas pressure
5. Kinked pilot line
6. Control valve is not opening
7. No power to unit or ignition module or
power transformer is bad
1. Loose wiring on igniter wire to ignition
module and/or poor ground to ignition
module
2. Pilot flame too low to sense
1. Safety shutoff switch wires defective or
too long
1. Pilot flame may be too low, causing safety
pilot to "drop out"
2. Improper venting or excessive blockage
1. Metal expanding while heating or con-
tracting while cooling
1. Residues from manufacturing processes
and logs curing
SuperiorFireplaces.us.com
REMEDY
1. Check to see if you have gas supply and
that equipment shutoff valve is opened
2. Repeat lighting procedure several times
to purge all air out of lines. If after re-
peated attempts appliance does not light,
call for qualified service and repair
3. Remove debris and dirt, inspect and clean
any other possible obstructions
4. Contact your gas supplier to check pres-
sure
5. Have a qualified technician replace pilot
line
6. Replace control valve (Refer to Replace-
ment Parts, Page 37)
7. Check that main power is on and that
all wire connections are made correctly
to ignition model (see Wiring Diagram,
Page 36). Check for 24 VAC at the sec-
ondary side of transformer. If 24 VAC is
present and module does not operate,
have module replaced. Otherwise have
transformer replaced
1. Check wiring connection. Refer to wir-
ing diagram (see Wiring Diagram, Page
36) and/or check ground wire to ignition
module
2. Clean and adjust pilot burner and check
gas supply and inlet pressure to unit
NOTE: Have a qualified technician replace
pilot assembly if broken or corroded
1. Check electrical connections
1. Clean and adjust pilot flame for maximum
flame impingement on thermopile
2. Have vent system inspected, including
termination cap. Remove any restriction
or obstruction
1. This is normal with most fireplaces.
If noise is excessive, contact qualified
service person
1. Problem will stop after a few hours of
operation
126721-01G

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