Beckhoff BK9053 Documentation page 42

Error handling and diagnosis
LEDs for K-bus diagnostics
Error code Error code argu-
ment
Persistent,
continuous flashing
1 pulse 0
1
2
2 pulses 0
n (n > 0)
3 pulses 0
4 pulses 0
n
5 pulses n
6 pulses 0
1
4
8
16
14 pulses n
15 pulses n
16 pulses n
42
Description Remedy
EMC problems • Check power supply for undervoltage or
• Implement EMC measures
• If a K-bus error is present, it can be
EEPROM checksum Set manufacturer's settings with the KS2000
error configuration software
Code buffer overflow Insert fewer Bus Terminals. Too many
entries in the table for the programmed
configuration
Unknown data type Software update required for the Bus
Coupler
Programmed Check programmed configuration for
configuration has an correctness
incorrect table entry
Table comparison Incorrect table entry
(Bus Terminal n)
K-bus command error • No Bus Terminal inserted
• One of the Bus Terminals is defective;
K-bus data error, Check whether the n+1 Bus Terminal is
break behind the Bus correctly connected; replace if necessary.
Coupler
Break behind Bus Check whether the bus end terminal 9010 is
Terminal n connected.
K-bus error in register Exchange the n
communication with
Bus Terminal n
Error at initialization Exchange Bus Coupler
Internal data error Perform a hardware reset on the Bus
Coupler (switch off and on again)
DIP switch incorrect Set 1-8 to on or off, see BootP
for BootP
Internal data error Perform a hardware reset on the Bus
Coupler (switch off and on again)
Error in IP socket Perform a hardware reset on the Bus
Coupler (switch off and on again)
th
n Bus Terminal has Start the Bus Coupler again, and if the error
the wrong format occurs again then exchange the Bus
Terminal
Number of Bus Start the Bus Coupler again. If the error
Terminals is no longer occurs again, restore the manufacturers
correct setting using the KS2000 configuration
software
Length of the K-bus Start the Bus Coupler again. If the error
data is no longer occurs again, restore the manufacturers
correct setting using the KS2000 configuration
software
Version: 2.3.0
overvoltage peaks
localized by a restart of the coupler (by
switching it off and then on again)
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.
th
bus terminal
BK9053, BK9103