Fatal Error Codes
Upstairs EEPROM checksum error
AC input voltage too high
Low input voltage for PFC
Tread error: motor will not drive
No speed pulse at startup
No speed pulses after start up
Tread error: too much output (to motor) current
Tread error: motor controller limit
Tread error: too much input (from AC outlet) current
Communications error: downstairs to upstairs
Incorrect communication Downstairs to Upstairs
Communications error: upstairs to downstairs
Incorrect communications Upstairs to Downstairs