Error handling and diagnosis
BC8050 und BC8150 81Version: 3.0.0
K-Bus error code diagnosis
Error
code
Error
argument
Description Remedy
0 - EMC problems • Check power supply for undervoltage or overvoltage peaks
• Implement EMC measures
• If a K-bus error is present, it can be localized by a restart of the
coupler (by switching it off and then on again)
1 0 EEPROM checksum error Enter factory settings with the KS2000 configuration software
1 Code buffer overflow Insert fewer Bus Terminals. Too many entries in the table for the pro-
grammed configuration
2 Unknown data type Software update required for the Bus Coupler
2 - Reserve -
3 0 K-bus command error • No Bus Terminal inserted
• One of the Bus Terminals is defective; halve the number of Bus
Terminals attached and check whether the error is still present
with the remaining Bus Terminals. Repeat until the defective
Bus Terminal is located.
4 0 K-bus data error, break be-
hind the Bus Coupler
Check whether the n+1 Bus Terminal is correctly connected; replace if
necessary.
n Break behind Bus Terminaln Check whether the KL9010 Bus End Terminal is connected
5 n K-bus error in register com-
munication with Bus Terminal
n
Exchange the nth Bus Terminal
6 0 Error at initialization Exchange Bus Coupler
1 Internal data error Perform a hardware reset on the Bus Coupler (switch off and on again)
2 DIP switch changed after a
software reset
Perform a hardware reset on the Bus Coupler (switch off and on again)
7 0 Note: cycle time was ex-
ceeded
Warning: the set cycle time was exceeded. This indication (flashing
LEDs) can only be cleared by booting the Bus Coupler again.
Remedy: increase the cycle time
9 0 Checksum error in Flash pro-
gram
Re-transfer the program to the Bus Terminal Controller
1 Incorrect or faulty library im-
plemented
Remove the faulty library
10 n Bus Terminal n is not consis-
tent with the configuration that
existed when the boot project
was created
Check the nth Bus Terminal. The boot project must be deleted if the in-
sertion of an nth Bus Terminal is intentional.
14 n nth Bus Terminal has the
wrong format
Start the Bus Coupler again, and if the error occurs again then ex-
change the Bus Terminal
15 n Number of Bus Terminals is
no longer correct
Start the Bus Coupler again. If the error occurs again, restore the man-
ufacturers setting using the KS2000 configuration software
16 n Length of the K-bus data is no
longer correct
Start the Bus Coupler again. If the error occurs again, restore the man-
ufacturers setting using the KS2000 configuration software
LED bus - fieldbus diagnostics
LED Meaning
LED WD not implemented
LED RX Flashes when data are being received
LED TX Flashes when data are being sent
LED PLC - PLC diagnostics
LED Meaning
PLC LED LED on: PLC running,
LED off: PLC stopped
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