SimTech ProFlame 1 Troubleshooting Manual page 56

Pilot lights, main burner
will not light.
56
1.) Ensure gas valve Manual knob is in the ON position. (See Diagram
11) If OFF, turn to ON and test again.
Yes
2.) Check 8 wire "umbilical cable" Ensure it is fully seated into receiver.
If damaged, replace and test again.
3.) If still no main burner, replace receiver.
MAXITROL GV60 IGNITION SYSTEM
TROUBLESHOOTING
Maxitrol GV60