Chapter 14 Fault Codes and DescriptionsCP2000 
 
14-52
ID*  Display on LCD Keypad  Fault Name  Fault Descriptions 
170 
 
C/B mismatch 
(CBM) 
Control board matching error 
Action and Reset 
Action level  N/A 
Action time  Acts when turning on the drive 
Fault treatment parameter  N/A 
Reset method  Cannot reset 
Reset condition  Cannot reset 
Record  Yes 
Cause  Corrective Actions 
Incorrect control board 
Replace with the correct control board. If the CBM still exists, contact Delta for 
further confirmation.