Diagnostics and troubleshooting
Leuze
electronic
92
BPS 34
Leuze electronic
9
Diagnostics and troubleshooting
9.1
General causes of errors
9.2
PROFIBUS errors
Error
Possible error cause
Measures
LED MS 34 10x =
"off"
• No supply voltage connected to
the device.
• Device not yet recognised by the
PROFIBUS
Notice: The LED remains off until
the BPS 34 is recognised by the
PROFIBUS. Only after the
PROFIBUS has addressed the
BPS 34 for the first time do the
following status descriptions
apply.
❏
Check supply voltage.
❏
Check PROFIBUS settings.
LED MS 34 10x =
"flashes red"
• Error on the PROFIBUS.
❏
Reset device
(switch voltage on/off).
LED MS 34 10x =
"red continuous light"
(no communication via
PROFIBUS)
• Incorrect wiring.
• Wrong termination.
• Incorrect PROFIBUS address set.
• PROFIBUS deactivated.
• Incorrect configuration.
• Parameter-memory overflow in
the control.
❏
Check wiring.
❏
Check termination.
❏
Check PROFIBUS address.
❏
Activate PROFIBUS interface.
❏
Check configuration of the device in the con-
figuration tool.
❏
Reduce number of modules.
LED MS 34 10x =
"orange continuous
light"
• Service operation active.
❏
Set the service switch in MSD 1 101 to
"Operation"
Position error
• No barcode tape present.
• Scanner positioned in total reflec-
tion
• Scanner not properly mounted
❏
Check positioning of barcode tape.
❏
Change the angle of the scanning beam by
tilting the BPS 34.
❏
Check mounting.
Error
Possible error cause
Measures
Sporadic errors at the
PROFIBUS
• Incorrect wiring.
• Wrong termination.
• Electromagnetic influences.
• Overall network expansion
exceeded.
❏
Check wiring.
❏
Check termination.
❏
Check shielding.
❏
Check grounding concept and connection to
FE.
❏
Check max. network expansion as a func-
tion of the set baud rate.