Boyertown Furnace RSM 500 Installation, Operation And Maintenance Manual page 30

Burner Will Not Start
T hermostat Set
Above Room
T emperature
Yes
120 Volts at
Furnace
Yes
120 Volts at
Burner Control
Yes
Burner Off on
Safety
Refer to Burner
Manual
30
No
No
No
No
Yes
Adjust
T hermostat
Check Supply
Fuses and
Disconnects
No
Fan and Limit
Operational
Yes
Check all
Wiring
Refer to Burner
Manual
Replace
Fan and Limit