Festo CPV -GE-DN2-8 Electronic Manual page 83

3. Diagnosis
LED Sequence Colour
PS
ON
OFF
PS –
Festo P.BE-CP-DN2-EN en 0107NH
Operating status
red – CP string interruption
lights up
– One of the modules in
the extension cannot be
addressed
– Short circuit/overload at
CP output module
– Short circuit/overload at
CP input module
– Failure in sensor power
supply at CP input
module
– Failure in sensor power
supply with CP-E16-M8-Z
– The set station number
is not permitted
– Non-permitted module
type
red-green – Switch module is
flashes missing
– Switch module is
defective
Error treatment
S Check cables/plug
connectors
S Check cables/plug
connectors
S Eliminate short circuit/
overload
S Eliminate short circuit/
overload
S Check power supply
S Check power supply
S Correct station number
S Check the extension to the
CP system
S Install switch module
S Replace switch module
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