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Display
Q
Description
Measures
Ö
Green (1 Hz) in sync
with the green PWR
indication
Output is active (HIGH) and a recoverable exter‐
nal error is present.
b
Check cabling of the flashing outputs. A short-
circuit to 24 V or a cross-circuit between out‐
puts may be present.
o
LED off.
Ö
LED flashes.
O
LED illuminates.
Table 131: X indications (test output)
Display
X
Description
Measures
o
Output is inactive (LOW).
O
Green
Output is active (HIGH).
Ö
Green (1 × flashing
every 2 s)
Output is configured as a test output.
Ö
Green (2 × flashing
every 2 s)
Output is configured as a Flexi Loop data output
(DATA_OUT).
o
LED off.
Ö
LED flashes.
O
LED illuminates.
Complementary information
The input and output indicators display the status of the terminals with a refresh rate of
approx. 50 ms.
Further topics
•
11.2
Possible faults
Important information
NOTE
If a fault response can result in an undesired valid status, you should evaluate the
associated status bits in the logic to initiate suitable measures.
Possible faults and their causes
Table 132: Faults in the logic
Fault
Responses
Causes
Voltage supply A1 / A2
of the main module is
lower than the operat‐
ing range
•
Safety controller switches to the
No supply voltage
status
•
Voltage supply
module status bit =
0
•
Status indicators are off
•
Fault in the voltage supply
•
Line break
•
Interruption due to a fuse
Voltage supply of the
main module is higher
than the operating
range
•
Safety controller switches to the
critical error status
•
Internal error
module status bit = 0
•
Fault in the voltage supply
•
Short-circuit to other volt‐
age-carrying line
TROUBLESHOOTING
11
8024589/2020-11-10 | SICK
O P E R A T I N G I N S T R U C T I O N S | Flexi Compact
121
Subject to change without notice