8.2
Troubleshooting
If faults are detected on or in the device, these are indicated by the LEDs and on the display with
the appropriate message. If the fault necessitates a reset of the device, the pending fault must
first be corrected and the error/diagnostics message on the device must be acknowledged. The
left button must then be pressed for approximately 3 seconds to trigger a reset of the device.
▲
▲
▲
▲
R
$XWRPDWLFPRGH
PPLQ
6WDQGVWLOO
PPLQ
In the case of system faults, the device must be briefly switched off. If a system fault is detected
again on switching on, the device must be returned to the manufacturer.
Diagnostics/troubleshooting
8.2 Troubleshooting
3TK2810-1 safety-related speed monitor
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Equipment Manual, 05/2020, NEB926246402000/RS-AE/007