Error Diagnosis - Festo Compact Performance Series Programming And Diagnosis

3. Diagnosis

3.2.2 Error diagnosis

Reaction Signal
ON
OFF
ON
OFF
ON
OFF
ON
OFF
CP-CO 9801NH
Colour Operating status
green/ Operating status
red normal but:
– self test active
(LED flashes
red/green alternately)
– CP valve terminal in
pre-operational mode
– overrun CAN error
counter
green CP valve terminal in
prepared mode
red – Station number 99
set
or
– Error in starting
self test
or
– Self test active
(LED flashes
red/green alternately)
red Undervoltage in valve
supply(< 20.4 V)
Error treatment
• Complete self test
• Put CP valve terminal into
operational mode
• Check cables/plugs,,
reduce bus length
or baud rate
None
• Correct station number
• Repeat test
• Check voltage supply
überprüfen
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