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Disturbances
Bit
Problem
Possible cause
Necessary action
necessary
Defective hardware
Replace the sensor.
15
Memory error EEPROM
Defective hardware
Replace the sensor.
16
not used
Error while writing the EEPROM
Switch the sensor off and on again.
17
Failure of the comparison
of the position between the
two channels
Strong electromagnetic interference
Perform the fault clearance according to
necessary
Defective hardware
Replace the sensor.
Strongly polluted magnetic tape
Clean the magnetic tape (
Damaged magnetic tape
Replace the magnetic tape. Attention: after replace-
ment, a reference journey has to be performed!
18
Failure of the communica-
tion test
Strong electromagnetic interference
Perform the fault clearance according to
necessary
Defective hardware
Replace the sensor.
19
Inadmissible extrapolation.
Too many position jumps
occurred.
Strongly polluted magnetic tape
Clean the magnetic tape (
Defective hardware
Replace the sensor.
Damaged magnetic tape
Replace the magnetic tape. Attention: after replace-
ment, a reference journey has to be performed!
20
Timeout in non safety
relevant processing
Defective hardware
Replace the sensor.
21
Overvoltage 24 V
Overvoltage of the external supply
Check the power supply.
Defective hardware
Replace the sensor.
22
Undervoltage 24 V
Undervoltage of the external supply
Check the supply. See pos. (5) in
Defective hardware
Replace the sensor.
23 … 31 Not used
12.6.3
Severe Errors
A severe error (
12.3) is signalled with the blinking of the LED
ERR
(
9.3.1). If such an error occurs, the sen-
sor will be set out of service. The communication is stopped completely. The sensor needs to be replaced in
such a case.