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Commissioning, operation, diagnostics and maintenance
LED
Color / status
H52.5
Drives
Flashing
H53
42V Out
H54
DC Bus Out
Bosch Rexroth AG R911335703_Edition 04
Significance
Green
No error at module bus, regular
status
Red
Module bus error (/Bb_A)
Red/
Drive system carries out error
green
reaction (Bb_A)
Green
Control voltage at output X53 okay
Red
Control voltage at output X53 faulty
or control voltage outside of
tolerance
Error is saved until switch-off
Off
DC bus (L+, L-) not ready for power
output
Green
DC bus (L+, L-) ready for power
output
Red
DC bus voltage (L+; L-) at output
X54 not okay
Tab. 11-3:
KCU02 LED displays
IndraDrive Mi Drive Systems with KCU02, KSM02,
KMS02/03, KMV03, KNK03, KLC03
Measures
None
●
Check module bus wiring
●
Check control voltage supply of the
devices; see also "F2087 Module group
communication error"
Bring device at module bus to readiness for
operation; see also diagnostic message "E2810
Drive system not ready for operation"
None
Overload at output:
●
Check control voltage supply
●
Check voltage at X53
●
Reduce load
●
Remove short circuit
None
None
Check fuses F4, F5 and replace them, if
necessary
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