Festo CPX-FB14 Electronic Manual page 135

3. Diagnosis
Byte 0 Byte 1
Error code
Bit Meaning
0 Fault at valve
1 Fault at output
2 Fault at input
3 Fault on analogue module/
function module
4 Undervoltage
5 Short circuit/overload
6 Wire fracture
7 Other faults
Tab. 3/8: Byte 0 of the Manufacturer Status Register (status bits)
Festo P.BE−CPX−FB14−E N en 0308a
Byte 2 Byte 3
Error Status
Register bits
Index
Index 1002 (Manufacturer Status Register)
1001
Explanation
Module type on which a fault has occurred
Type of fault
Byte 4 Byte 5
CPX CPX
module no. fault no.
Byte 6 Byte 7
Additional
reserved
information
on the fault
3−19