5. Diagnostics and error handling
5−20
Festo P.BE−CPX−SYS−EN en 0902e
Error numbers of error class 2
No. Handheld display Operating status Eliminating faults
0 [No error] No fault −
1 [General diagnosis] General diagnosis (module−
specific error)
See manual for the relevant
module
2 [Short circuit] Short circuit/overload in sen
sor supply (SCS) or at output
(SCO)
Eliminate short circuit/over
load (see manual for the spe
cific module)
3 [Wire fracture/idling cur
rent I/O]
Wire fracture/idling at current
input/output
Check and, if necessary, re
place the cable and connec
ted sensors/actuators.
4 [Short circuit in actuator
supply]
Failure of load voltage supply
due to short circuit/overload
(on output side)
Check connected actuators
as well as their connections
5 [Undervoltage in power
supply]
Undervoltage in power supply
(on input side)
Eliminate undervoltage at
system supply or additional
supply (see Tab.3/4 for pin
assignment)
6 ... 8 Reserved
9 [Lower limit exceeded] Fall below rated range Check signal area and para
meterised limit
10 [Upper limit exceeded] Rated range exceeded Check signal area and para
meterised limit
11 [Short circuit valve] Short circuit at valve Check valve and pneumatic
interface
12 Reserved
13 [Wire fracture (open load)] Wire fracture at valve (open
load)
Check valve and pneumatic
interface
14 [Condition counter excee
ded]
Limit value of the condition
counter exceeded
Set or delete the limit value of
the condition counter by para
meterising
15 [Module/channel failure] Module/channel failed Check module (function/in
stallation), replace if neces
sary
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