8 troubleshooting – Yaskawa AC Drive-Option BRAKING UNIT-CDBR Spec.D User Manual

Page 60

8 Troubleshooting

YASKAWA ELECTRIC TOBP C720600 01C 1000-Series Option CDBR-D, LKEB- Installation Manual

The CDBR braking unit is not
operating.

• A master unit is incorrectly set to

be a slave device and there is no
master unit.

• Incorrect braking activation switch

position.

• Check the CDBR braking unit

Master/Slave selection DIP switch
S2 and make sure it is properly set.
The master LED (green) should be
illuminated on the master CDBR
unit.

• Check brake activation level switch

S3 for proper setting.

• Observe the Master and Slave

LEDs (only if slave units are used).
The LEDs should blink when the
CDBR is activating.

The braking unit is damaged.

Replace the CDBR braking unit.

Problems

Cause

Possible Solution

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