Daikin E315

Alarm
Logic
E315 PT/CT board failure
Possible
Causes
PT/CT board failure
There is no input from the PT/CT board
Trouble
Shooting
  • Check connectors CN45-1 and CN45-2 for securing and disconnecting on CPU board, and
CN1 and CN2 on PT/CT board
  • Check open circuit from 10 to 11 on PT/CT board (EC5)
  • Replace PT/CT board if connector and wiring is normal
Controller
Action
E315 Restart after 3 minutes. 9 restart attempts. Retry after 4 hours