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11/21/2019 TR - ECE - BA - GB - 0139 - 02 Page 145 of 154
Continued
Diagnostic message / Meaning
Transmission error: timeout
(F_WD_Time or F_WD_Time_2
elapsed)
- Verify that the value set for this
parameter is appropriate for the
automation task; see Chapter 6.8.8 on
Page 136.
Acknowledge needed to enable the
channel(s)
- A user acknowledgment is required.
Processor unit – CPU
Error of the processor-internal hardware
diagnostics.
- A system restart is required.
Processor unit - cross communication
Error of the inter processor
communication between the two sampling
channels
- A user acknowledgment is required.
- Contact Product Support if the
problems persist after a system restart.
Processor unit - sensor
communication
Error of the data transmission between
sensor and fieldbus interface.
- A user acknowledgment is required.
- Contact Product Support if the
problems persist after a system restart.
Sequence - cross data comparison
The device is in fail-safe state.
- Contact Product Support if the
problems persist after a system restart.
ST sampling unit - channel 1
The device is in fail-safe state.
- Contact Product Support if the
problems persist after a system restart.
MT sampling unit - channel 1
The device is in fail-safe state.
- Contact Product Support if the
problems persist after a system restart.
ST sampling unit - channel 2
The device is in fail-safe state.
- Contact Product Support if the
problems persist after a system restart.
MT sampling unit - channel 2
The device is in fail-safe state.
- Contact Product Support if the
problems persist after a system restart.
ST sampling unit – LED
The light source's control of the optical
sampling unit is outside the normal range.
- Contact Product Support if the
problems persist after a system restart.
Hardware - service life
The service life interval has expired.
- The manufacturer must proof test the
device.
Sequence - preset adjustment
The preset adjustment is faulty.
- The adjustment procedure must be
repeated.
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