Festo CPX-FB14 Description page 160

3. Diagnostics
Byte 0 Byte 1
Error code
Bit Significance
0 Error at valve
1 Error at output
2 Error at input
3 Error on analogue
module/function module
4 Undervoltage
5 Short circuit/overload
6 Wire break
7 Other error
Tab. 3/13: Byte 0 of the manufacturer status register (status bits)
3-18
Byte 2 Byte 3
Error Status bits
register
Index 1001
Index 1002 (manufacturer status register)
Explanation
Module type in which an error has occurred
Error type
Byte 4 Byte 5
CPX CPX error
module no. no.
Festo P.BE-FB14-EN en 1411d English
Byte 6 Byte 7
Reserved Additional
error inf.