11.3.2 KCU02 diagnostic display
Fig. 11-2: LEDs at KCU02
LED Color / status Significance Measures
H49
Safety
Green Safety technology signals without
error
None
Red Safety technology signals with error
(Error is saved until the device is
switched off.)
Check safety technology wiring for short circuit.
H52.1
E-Stop
Off E-Stop not activated None
Red E-Stop active (/E_Stop) Deactivate E-Stop, if necessary (see connection
point X50)
H52.2
Power Supply
Green Supply unit without error, regular
status
None
Red Supply unit signals error (/Bb_V) Check power supply, see also "F2086 Error
supply module"
H52.3
Warning
Green Supply unit without warning
(/Warn), regular status
None
Red Supply unit signals warning Check supply unit, see also "E2086 Prewarning
supply module overload"
H52.4
DC Bus In
Off DC bus voltage (L+; L-) too low Switch power on at supply unit
Module bus not connected (if H54
green)
Connect module bus (connection point X1)
Green DC bus voltage (L+; L-) without
error (Ud), regular status
None
IndraDrive Mi Drive Systems with KCU02, KSM02,
KMS02/03, KMV03, KNK03, KLC03
343/407
Commissioning, operation, diagnostics and maintenance
R911335703_Edition 04 Bosch Rexroth AG
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