I have one code of 8 rapid blinks. It says internal fault. does that mean the board is bad?
M Mark Hopp · Registered Joined Dec 12, 2012 · 1 Posts Discussion Starter · #1 · Dec 12, 2012 Only show this user I have one code of 8 rapid blinks. It says internal fault. does that mean the board is bad?
HVAC1000 · Experienced HVAC Tech Joined Dec 12, 2012 · 357 Posts #2 · Dec 12, 2012 Only show this user Usually. Sounds like you will need a new board
