Troubleshoot

FOUR FLASHES - TROUBLESHOOTING CODES
• In lockout from failed ignition or flame loss unit
SPARKS and SHUTS DOWN within 10 seconds
• Reversed Polarity
• To check for reversed polarity. (1) Shut down all power
to unit (2) Switch main incoming power lines (black and
white) to unit. (3) Carefully turn main power back on to
unit.
• If issue is not resolved, shut off all power and return
white and black wires to original positions.
• More possible causes
Back Start Over