Siemens SIMATIC FS400 Anleitung Seite 183

WARNING
If the error display is shown on the transmitter (constant display of F or 8), then the
24 V DC supply voltage and wiring should be checked. If the error remains after it is
turned on again, discontinue the setup process immediately and send in the malfunc-
tioning transmitter to be checked.
However, if errors are found and cleared in the external wiring, the receiver will be
restored to normal operation mode and startup can be continued.
The displays of the receiver LEDS after switching on: Without start/restart interlock
function (RES, FS).
WARNING
The receiver switches to the ON-state as soon as it receives all beams!
LED Transmitter/receiver not aligned
or protective field not free
Red ON =
Green
Orange ON =
OFF =
Yellow OFF =
Table 9.1-1: Receiver display sequence without internal start/restart interlock
If the internal start/restart interlock function is activated (RES, see Chapter 8.3),
after startup the LEDs of the receivers display:
LED Before unlocking by the start/restart
button
Red ON =
Green
Orange ON =
OFF =
Yellow ON =
OFF =
Table 9.1-2: Receiver display sequence without internal start/restart interlock
OFF-state of the
OSSDs
Weak beam indication
No weak beam
RES not selected
OFF-state of the
OSSDs
Weak beam indication
No weak beam
Protective field free
Protective field
interrupted
Transmitter/receiver aligned and
protective field free
ON = ON state of the OSSDs
ON = Weak beam indication
OFF = No weak beam
OFF = RES not selected
After unlocking by the start/restart
button with free protective field
ON = ON state of the OSSDs
ON = Weak beam indication
OFF = No weak beam
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