July 2019
2-5
Xerox® B210 Service Manual
03-900 , 04-500
Status Indicator RAPs
Initial Release
03-900 Main PWB Motor Control Chip RAP
BSD-ON:BSD 1
The Motor Control Chip on the Main PWB is not functioning normally.
Procedure
1. Switch off, then switch on the machine.
2. If problem continues, Install a new Main PWB, PL 1.
1 Item 7.
04-500 Main Drive (BLDC) Motor Start RAP
BSD-ON:BSD 1
The Main Drive (BLDC) Motor did not start within the specified time after the ready signal was 
sent
.
Initial Actions
• Switch off the machine, then switch On the power.
Procedure
Remove the Right Cover REP 2.2, then check the motor connector on the Main PWB. The 
connector on the Main PWB is securely connected.
YN
• Verify there is no contamination present.
• Check for broken and defective wires or cables.
• Securely reconnect the motor connector.
Manually rotate the Main Drive Unit.  The Main Drive Motor rotates freely.
YN
Install a new Main Drive Unit, RE
P 4.17. 
The Main PWB is defective. 
• Install a new Main PWB, PL 1.
1 Item 7.
If the problem persists, Install a new Main PWB, PL 1.1 Item 7.