Device Description HG G-7335xZB | English, Revision 06 | Date: 30.04.2020
46
Chapter 10 – Troubleshooting
10
Troubleshooting
The following table contains a list of errors that might occur. For each error, a symp
-
tom description is given. In the third column you will find a description of how to lo
-
cate and possibly correct the error.
If you should not be able to correct an occurring error, please use the table below to
locate the source of the error as exactly as possible (nature of malfunction, at which
point of time did the error occur, etc.) before contacting us.
Table 54
Troubleshooting
Error
Possible cause(s)
Diagnosis/correction
No function.
–
Power supply not sufficient.
Is PWR LED lit?
No connection can
be established. (CAN)
1.
CAN_H and CAN_L inverted.
2.
Signal ground not connected,
potential difference between inter
-
preter and receiver being too high.
3.
Wrong transmission parameters set.
4.
No terminator.
1.
Control the connections.
2.
Connect the signal grounds.
3.
Choose the right parameter using
the monitor program (see section
7.2 on page 20).
No connection can
be established.
(Profibus)
1.
Bus A and Bus B inverted.
2.
Signal ground not connected,
potential difference between inter
-
preter and receiver being too high.
3.
Wrong transmission parameters set.
4.
No terminator.
1.
Control the connections.
2.
Connect the signal grounds.
3.
Choose the right parameter using
the monitor program (see section
7.2 on page 20).
No values for dis
-
tance presented in
spite of guide wire.
1.
Wrong frequency is chosen.
2.
Threshold set too high.
Set the correct frequency and lower the
thresholds (see 7.2 on page 20)
Distances are dis
-
played inexactly.
1.
No position calibration.
2.
Reading heights wrong.
Process a position calibration using the
monitor program (see section 7.2 on
page 20) respectively correct the read
-
ing heights.