Diagnostics and troubleshooting
Leuze electronic
BCL 604i
104
12
Diagnostics and troubleshooting
12.1 General causes of errors
Table 12.1:
General causes of errors
12.2 Interface errors
Table 12.2:
Interface error
Faults
Possible error causes
Measures
Status LED PWR
Off
• No supply voltage connected to the device
• Check supply voltage
• Hardware error
• Send device to customer service
Red, flashing
• Warning
• Query diagnostic data and carry out the
resulting measures
Red, continuous light
• Error: no function possible
• Internal device error, send in device
Orange, continuous light
• Device in service mode
• Reset service mode with webConfig tool
or display
Status LED BUS
Off
• No supply voltage connected to the device
• Check supply voltage
• Device not yet recognized by the PROFI
-
BUS
• Send device to customer service
Red, flashing
• Error on the PROFIBUS
• Can be corrected by resetting
Red, continuous light
• Error on the PROFIBUS
• Cannot be corrected by resetting
• Send device to customer service
Faults
Possible error causes
Measures
No communication via USB service interface
• Incorrect interconnection cable
• Connected device is not recognized
• Check interconnection cable
• Install USB driver
No communication via PROFIBUS.
BUS status LED continuous red light
• Incorrect wiring
• Check wiring
• Wrong termination
• Check termination
• Incorrect PROFIBUS address set
• Check PROFIBUS address
• Incorrect configuration
• Check configuration of the device in the
configuration tool
Sporadic errors at the PROFIBUS
• Incorrect wiring
• Wrong termination
• Check wiring
• Check termination
• Effects due to EMC
• Check shielding
• Check grounding concept and connection
to functional earth (FE)
• Avoid EMC coupling caused by power
cables laid parallel to device lines
• Overall network expansion exceeded
• Check max. network expansion as a func
-
tion of the max. cable lengths