Festo CPX-FB14 Description page 149

3. Diagnostics
PL (power load) – power load supply (outputs/valves)
LED (green) Process
ON
OFF
LED
illuminated
ON
OFF
LED flashes
Tab. 3/4: "PL" LED status display
SF (system fail) – system error
LED (red) Sequence
ON
OFF
LED not
illuminated
ON
OFF
LED flashes
1x
ON
OFF
LED flashes
2x
ON
OFF
LED flashes
3x
1)
The system error LED flashes dependent on the applicable error class.
Error class 1 (slight error):
Error class 2 (error)
Error class 3 (severe error):
Tab. 3/5: "SF" LED status display
Festo P.BE-FB14-EN en 1411d English
Status
Not an error,
load voltage applied
Load voltage at the system
supply or additional power
supply outside the
tolerance range
1)
Status
No error
Simple error / information
(error class 1)
Error (error class 2)
Serious error
(error class 3)
1 * flash, pause
2 * flash, pause
3 * flash, pause
Significance/error handling
None
Eliminate undervoltage
Significance/error handling
–
è description of error numbers in
the CPX system description and in
section 3.5.2.
3-7