Troubleshooting - Vermont Castings RFSDV24 Installation Instructions And Homeowner's Manual

Honeywell VS8420 Standing Pilot
10003550

Troubleshooting

START
Gas Supply ON
YES
Pilot Lights with
Piezo Ignitor
YES
Pilot Stays Lit
YES
Pilot Lights
Main Burner
YES
System OK
FP396b
HV standing pilot
troubleshoot
RFSDV24/34 Freestanding Direct Vent Gas Fireplace
Remove Glass Panel Before Servicing.
CHECK
• Supply line hooked up
NO
• Shutoff valve open
• Lockout has engaged. Wait
60 seconds and try again.
• For spark at electrode while
NO
depressing Piezo - 1/8" gap to
pilot hood needed.
• All wiring connections
• Replace Piezo ignitor
• For air in lines
• Thermopile needs a minimum
325mV. Adjust pilot flame height.
• All Wiring connections
• Replace thermopile
NO
• Thermocouple needs a minimum
14mV.
• Defective valve. Turn to pilot,
meter should read greater than
100mV. If not, replace.
• Valve is turned on
• Wall switch is not turned on.
NO Watch for grounded wires!
• Thermopile needs a minimum
325mV.
• Plugged burner orifice.
FP396a
25