Table of Contents
Advertisement
￭
Replacing the BCU control unit battery
Replace the real-time clock battery if the BATT OK LED is not illuminated when the control
unit is powered.
1. Stop the drive and do the steps in section
you start the work.
2. Undo the fastening screw and remove the battery
3. Replace the battery with a new BR2032 battery.
4. Dispose of the old battery according to local disposal rules or applicable laws.
5. Set the real-time clock.
LEDs and other status indicators
Warnings and faults reported by the control program are displayed on the control panel or
in the Drive composer PC tool. For further information, see the firmware manual delivered
with the IGBT supply module.
￭
Control panel and panel platform/holder LEDs
The ACX-AP-x control panel has a status LED. The control panel mounting platform or
holder has two status LEDs. For their indications, see the following table.
Electrical safety precautions (page 100)
Maintenance 131
before
Advertisement
Table of Contents
