Daikin F111

Alarm
Logic		 F111 A communication error between CPU and I/O board
Possible
Causes		 Controller fault
  • CPU board fault (EC1)
  • I/O board fault (EC2
Trouble
Shooti
  • Check connector CN40-1 and CN40-2 on CPU board and CN6 on I/O board
  • Check wiring and connectors on board
Controller
Action		 F111 Unit stopped
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