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3. Diagnosis
3.1.2 Diagnostic operating voltage POWER or POWER V
LED
Colour
green
POWER
green
POWER V
POWER
green
POWER V
off
POWER
green
POWER V
flashes
off
POWER
Festo P.BE-CP-FB5-E-EN en 0112a
= lights up; ;
= flashes;
Operating status
Operating status normal
or
operating status normal, but
valves do not switch.
– Compressed air supply not
correct
– Pilot exhaust blocked
or
operating status normal, but
error message of LED BUS
ERROR
Operating voltage of valves
(pin 2) not applied.
CP valve terminal defective.
Operating voltage of valves
(pin 2) not within tolerance
range.
Operating voltage of electronic
components (pin 1) not applied
Hardware error
= off
Error treatment
None
Check the ...
S compressed air supply
S pilot exhaust channels
See error message of
LED BUS ERROR
S Replace CP module
S Check operating voltage of
valves (pin 2)
S Check operating voltage con-
nection
Servicing required
3-5
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