®
DVi25S Direct Vent Gas-Fired Fireplace Insert Room Heater
VIII. TROUBLE SHOOTING
1. Pilot will not
ignite.
2. Pilot will not stay
lit.
3. Main burner will
not light.
4. Glass Fogs up.
5. Blue flames.
6. Flames too short.
7. Glass soots.
Problem
Cause
Corrective Action
Turn knob to PILOT and push in on the valve (see lighting
instructions on page 16).
Check the shutoff valve.
Check the shutoff valve.
Check wiring between piezo button and ignitor.
Check for cracked ceramic on the electrode.
Check spacing of ignitor tip and pilot hood. Spark should be
extending approximately 1/8” to the bottom of the pilot
hood. Adjust gap as necessary to give proper spark.
Check pilot flame. See Figure 17, page 18.
Adjust flame if necessary. Be sure thermocouple is constantly
in contact with pilot flame.
Be sure thermocouple line is attached to valve.
Relight pilot (see page 16).
Turn valve to “ON”.
Turn switch to “ON”.
Check wiring connections at the valve and switch.
Set thermostat to a lower temperature.
Check wiring connections and wiring diagram.
Not heated up enough (takes about a minute to get up to
correct temperature).
No action is necessary. After the heater has warmed up, the
glass will clear.
No action is necessary. Flames will begin to turn more
yellowish after about 20 minutes of burning.
Turn variable head to “HI”.
Close down air shutter; it is not recommended to close it unless
absolutely necessary.
Adjust the log set so that the flame does not excessively
impinge on it.
A.Gas control knob
isn’t turned to
“PILOT”.
B.Gas control knob
isn’t pushed in.
C.Gas is not turned
on.
D.Ignitor isn’t working.
A.Defective thermo-
couple.
A.Pilot has gone out.
B.Gas control knob
isn’t turned to
“ON”.
C.ON/OFF switch.
D.Thermostat is set
too high or is dis-
connected.
E.Bad Thermopile.
A. A normal result of
gas combustion.
A. A normal result
during the first 20
minutes of burning.
Valve on low.
Air shutter too wide.
Flame impingement
on logs.
9-98
19 29855A