Leuze BPS 307i - Page 72

Diagnosis and troubleshooting
Leuze electronic GmbH + Co. KG BPS 307i 72
Tab.10.5: Position measurement errors – causes and measures
Error Possible cause Measures
Measurement value or
reading quality is contin-
uously instable
Soiling of the BPS optics Clean the optics of the BPS
Measurement value or
reading quality is poor
• at certain position
values
• always at the same
position values
Soiling of the barcode tape Clean the barcode tape
Replace the barcode tape
No measurement value
can be determined
No code in scanning beam
Code not in the working range of the
BPS
Align the scanning beam with the
barcode tape
Align the BPS with the barcode tape
(working range 50mm…170mm)
Faulty measurement
value
Wrong barcode tape
BCB grid different from BPS configura-
tion
Preset or offset active.
Incorrect unit or resolution configured.
Change BPS configuration to the
barcode tape that is being used