Leuze electronic MA 21 Technical Description page 36

Diagnostics and troubleshooting
No.
Errors during operation
DTR LED flashes but no data
7
arrive at the host computer
RDY and ERR LEDs flash syn-
8
chronously
9 RDY LED does not illuminate
Notice!
Please use page 34 and page 33 as a master copy should servicing be required.
Mark the items in the "Measures" column which you have already examined, fill out the fol-
lowing address field and fax both pages together with your service contract to the fax
number listed below.
Customer data (please complete) Leuze service fax number: +49 7021 573-199
Device type:
Company:
Contact person/ Department:
Phone (direct):
Fax:
Street / No:
ZIP code/City:
Country:
34
Error description Possible error causes
• Incorrect protocol set at the
host interface of the MA 21
• DIP switch 3 set to "Service"
• The MA 21 is in setup mode;
no reading tasks can be per-
formed while in this mode
• Operating software of the
MA 21 does not function
properly
MA 21
Measures
❏
Set the protocol on the
MA 21 to the values of the
host computer
❏
Set DIP switch 3 to "Host"
❏
End setup and save if neces-
sary; the MA 21 returns to
operating mode
❏
Perform a software RESET
Leuze electronic