Device Description HG G-71912-A | English, Revision 03 | Date: 28.03.2018
45
Trouble Shooting – Chapter 7
7
Trouble Shooting
The following list contains a list of errors that might occur. For each error, a symptom de-
scription is given. In the third column you will find a description of how to locate and possi-
bly correct the error.
If you should not be able to correct an error, please use the table and try to locate the source
of error as exactly as possible (nature of malfunction, when did the error occur, etc.) before
consulting us.
Note
Remember to protocol, like described in chapter 4 „Commissioning“ on page 11, the cross-
ing of the antenna during a drive through the set!
Error
Possible Cause(s)
DIAGNOSIS / CORRECTION
No system function
Even though a transponder is
located within reception
range, there is no serial out-
put
Power supply is not sufficient
Measure voltage
No contact is possible; only
unintelligible characters are
sent
1. CAN+ exchanged with CAN- by
mistake
2. Incorrect setting of transfer
parameters
3. Incorrect transfer procedure
selected
1. Check the corresponding con-
nections
2. Select only 9600 or 19200
Baud, 8 Bit, even parity
3. Select the correct procedure,
etc. with the PC and the sys-
tem monitor program
Output values are not repro-
ducible; lack of accuracy
Interferences
Check the value S in monitor
mode. If it is over approx. 50, there
could be interferences in the
range of 62 kHz
No positioning pulse
1. Transponder defective
2. Loose cable connections
3. Interferences
4. Antenna defective
Check the transponder (e. g. with
the hand-held reader)
Permanent Positioning Pulses Interferences
Activate in the menu
Positio-
ning Pulse
the connection
with decoding (see section 6.2.2.7
on page 40)
Table 37
Trouble shooting