Manual
1336-5.40 â August, 1999
I-13
4. Check for zero volts between +DC and -DC. Refer to Figure I-6.
Figure I-6
DC Voltage Check
5. Check for the absence of control voltage at:
â TB20 and TB21 on drives using a PLC Comm Adapter Board
â TB5, TB6, and TB7 on drives using a Standard Adapter
Board
6. Remove the customer-supplied wiring from the drive.
!
ATTENTION: A blown fuse can create a hazard of
shockwhich mayresultin deathor serious injury. Check
voltage between the bus bar and both ends of all fuses.
AB0930
âDC (Negative
Capacitor Bus)
+DC
Check All Bus Fuses