Balluff FT 50 RLA Serie Instructions De Service Et De Montage page 79

Mounting and
operating instructions
10 Troubleshooting
Description of error
When changing to set-up mode
all LEDs flash immediately.
The sensor does not switch to
set-up mode (via control panel).
Sensor is not found by software
after connection.
Sensor is not found by software
after connection. The message:
„Com Port is busy" appears.
Master - slave mode does not
function.
LED C is only alight on one
sensor.
After activating fast meas. value,
the sensor no longer reacts to
program.
In the event of any other malfunctions, please contact us or our representations.
FT 50 RLA Disctance sensor - GB - 068-13671 - 19.05.2016-12
Possible cause
Key lock activated.
Sensor is simultaneously being
operated via interface.
Sensor is still programmed as
master.
Sensor is programmed as slave.
One sensor is not in correct mode.
One sensor does not have function
no. 27.
PIN 3 (Q ) = +U .
1 B
Q was set to high via software.
1
Remedy
Unlock FT50 RLA, see chapter 7.1 „Unlock
keys".
Disconnect serial interface.
Reset sensor to factory settings via control
panel, see chapter 7.1
„Activate factory setting".
Reset sensor to factory settings via control
panel, see chapter 7.1
„Activate factory setting".
Reprogram the sensor whose LED is not
alight.
Use the sensor that does not have function
27 as master.
Set Q back to low  settings are possible
1
again.
Disconnect power supply. Restart the
sensor, it will then be operational.
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