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LED status indicators and switching states
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8 LED status indicators and switching states
The following section describes the LED indicators for general states and error messages,
as well as the respective switching states of the safety outputs and the signal output.
In the event of an error or fault that is not listed, please contact Phoenix Contact.
Table 8-1 LED status indicators and switching states
Operating state Switching state LED indicators
FO1A
FO1B
DGN
1 Self-test runs 5 s, approximately Off Off
DIAG LED is off.
STATE LED regularly flashes green
(5 Hz, quick flashing).
2
Normal mode
No supply voltage Off Off
DIAG LED is off.
STATE LED is off.
3
Limit range monitoring: actuator leaves
response area
On Off
DIAG LED flashes cyclically:
2 x red, off long.
STATE LED lights up green.
4 Safety equipment closed On Off
DIAG LED is off.
STATE LED lights up green.
5 Waiting for start command Off On
DIAG LED is off.
STATE LED regularly flashes green
(1 Hz, slow flashing).
6 Safety equipment open Off On
DIAG LED is off.
STATE LED flashes cyclically:
green short, off long.
7
Error
Wiring error: FO1B is present instead of
FO1A at the START input
Off Off
DIAG LED is off.
STATE LED regularly flashes green
(1 Hz, slow flashing).
8 System error, internal error Off Off
DIAG LED lights up red.
STATE LED is off.
9 External error, OSSD cross-circuit Off Off
DIAG LED lights up red.
STATE LED flashes cyclically:
2 x off, green long.
10 Incorrect/disabled actuator Off On
DIAG LED lights up red.
STATE LED lights up green.
11
Error at START input
– Manual start (stuck-at-high)
Off On
DIAG LED lights up red.
STATE LED regularly flashes green
(1 Hz, slow flashing).
DIAG
STATE
DIAG
STATE
DIAG
STATE
DIAG
STATE
DIAG
STATE
DIAG
STATE
DIAG
STATE
DIAG
STATE
DIAG
STATE
DIAG
STATE
DIAG
STATE