Troubleshoot

SIX FLASHES - TROUBLESHOOTING CODES
• Open in the safety switch circuit (limit switch or flame roll out
switch is open). Main air mover DOES NOT cycle on.
• Unit Sequence:
• Green Light on, call for heat Power exhauster cycles on, pre purge
• 24 volts power present through pressure switch, limits, and to valve
• Igniter Sparks, burner cycles on, yellow flame light on board is on.
• After 3 to 4 minutes , unit goes out on a limit switch, yellow light off,
green light will flash six times.
• Possible cause:
• Check all wiring, loose wire
• Defective motor, 115 VAC present at EAC & Neutral terminals on
board, but motor does not run.
• Defective board, 115 VAC not present at EAC and Neutral terminals
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