17
NVB Series B-Vent Gas Fireplace
7412950
Troubleshooting
FP396
Gas Supply On
• Supply Line Hooked up
• Shutoff Valve Open
NO
NO
NO
NO
• Lockout has engaged. Wait 60
seconds and try again.
• Piezo not tight enough for good
ground.
• For spark at electrode while
depressing Piezo (Red Button)
1/8" gap to pilot hood needed.
• All wiring connections
• Replace Piezo Ignitor
• Thermodisk
• For Air in the lines
• Thermopile needs a minimum
325mV. Adjust pilot flame height.
• All wiring connections
• Replace Thermopile
• Thermocouple needs a minimum
of 14mV.
• Defective valve. Turn to pilot,
meter should read greater than
100mV.
• Thermodisk
Pilot Lights with
Piezo Ignitor
YES
YES
YES
YES
Pilot Stays Lit
Pilot Lights Main
Burner
System OK
START
CHECK
• Wall switch is not turned on.
Watch for grounded wires!
• Thermopile needs a minimum
325mV
• Plugged burner orifice
FP396
NVC-standing pilot troubleshooting
5/6/98
Nova SIT 820 Standing Pilot
f i r e - p a r t s . c o m
