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FSUV20/30 Vent Free Gas Heater
f i r e - p a r t s . c o m
10
Troubleshooting
START
Gas Supply On
YES
Pilot Lights with
Piezo Ignitor
YES
Pilot Stays Lit
YES
Pilot Lights Main
Burner
YES
System OK
FP396
NVC-standing pilot troubleshooting
5/6/98
CHECK
• Supply Line Hooked up
NO
• Shutoff Valve Open
• Lockout has engaged. Wait 60
seconds and try again.
• Piezo not tight enough for good
ground.
• For spark at electrode while
NO
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
NO
• Thermocouple needs a minimum
of 14mV.
• Defective valve. Turn to pilot,
meter should read greater than
100mV.
• Thermodisk
• Wall switch is not turned on.
Watch for grounded wires!
• Thermopile needs a minimum
NO
325mV
• Plugged burner orifice
10001784
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