Diagnosis and troubleshooting
Leuze electronic GmbH + Co. KG
BPS 307i
71
10.4
Checklist for causes of errors
Tab. 10.2:
Service interface errors – causes and measures
Error
Possible cause
Measures
webConfig does not start Incorrectly connected interconnection
cable
Connected BPS is not recognized
No communication via USB service in-
terface
Old webConfig configuration in the
browser cache
IP address not correct
Check interconnection cable
Install USB driver
Clear browser history
Tab. 10.3:
Process interface errors – causes and measures
Error
Possible cause
Measures
Sporadic interface error
Check wiring for proper contacting
Check wiring:
• Check wire shielding
• Check wires used
EMC coupling
Observe contact quality of screwed or
soldered contacts in the wiring
Avoid EMC coupling caused by power
cables laid parallel to device lines
Separate laying of power and data
communications cables
Maximum cable length exceeded
Check cable lengths according to the
data rate
Tab. 10.4:
LED indicators - interface errors – causes and measures
Error
Possible cause
Measures
BUS LED "Off"
No supply voltage connected to the
device
Check supply voltage
Hardware error
Contact Leuze customer service (see
chapter 12 "Service and support")
BUS LED "red flashing"
Incorrect wiring
Check wiring
Communication error
Check SSI parameters
Carry out a reset on the control
Different protocol settings
Check protocol settings
