Hearth & Home Technologies • CFL-18/24/30-C, CFL-24-IPI, ST-CFL-24-B • 526-910 Rev. L • 11/14
14
Troubleshooting (continued)
Symptom
Possible Cause
Corrective Action
3. (Continued)
c. Valve.
Turn the valve knob to the ON position. Place the
ON/OFF switch in the ON position. Check the millivolt
meter a the thermopile terminals. The millivolt meter
should read greater than 125mV. If the reading is ac-
ceptable, and if the burner does not come on, replace
the gas valve.
d. Plugged burner ori
fi
ce.
Check the burner ori
fi
ce for stoppage. Remove stop-
page.
e. Wall switch or wires.
Follow the corrective action in Symptom and Possible
Cause 1.a above. Check the switch and wiring.
4. Frequent pilot outage
problem.
a. Pilot
fl
ame may be too high or too low, or blow-
ing out (high pressure), causing pilot safety to
drop out.
Clean thermocouple and adjust the pilot
fl
ame for
proper
fl
ame impingement. Follow lighting instructions
carefully.
5. The pilot and main
burner extinguish
while in operation.
a. No LP in tank.
Check the LP (propane) tank. Re
fi
ll the fuel tank.
b. Improper gas inlet pressure.
Verify with manometer. NG should read 5-14 in. w.c.
LP should read 10-14 in. w.c.
c. Inner vent pipe leaking exhaust gases back into
the system.
Check venting system for damage. Replace/repair
improperly assembled pipe sections.
d. Glass installed improperly.
Check to ensure glass is installed properly. Replace
glass panel assembly.
e. Thermopile or thermocouple.
Replace pilot if necessary.
f. Improper vent cap installation.
Check for proper installation and freedom from debris
or blockage.
