Troubleshooting guide

1336 PLUS - 6.16 - September, 2001
4-4 Disassembly and Access Procedures
Removing Control Interface Board MOD - L4 - L9
Figure 4.2
Control Interface Board. (A Frame Drives)
Removal (A Frame Drives)
1.
Remove power from the drive.
2.
Remove the Enclosure cover if the drive has an enclosure. Refer to
removing the Drive Enclosure in this chapter.
3.
Check for zero volts at TB1 terminals +DC and -DC.
4.
Check for absence of control voltage.
5.
Remove all wires from terminals on TB3
6.
Loosen the two captive screws fastening the Control Interface Board to
the Main Control Board.
7.
Grip the right and left sides of the Control Interface Board and pull the
board straight outward from the Main Control Board.
J2
Frames
1
A1 - A4
1
Refer to page 1–1 for frame reference classifications.
JOG
E
S
C
S
E
L
J11
J8
J13
!
ATTENTION:
Disconnect and lock out power from the drive
before disassembling the drive. Failure to disconnect power may
result in death or serious injury. Verify bus voltage by measuring
the voltage between +DC and -DC on Terminal Block TB1. Do
not attempt to service the drive until the bus voltage has
discharged to zero volts.
!
ATTENTION:
Wear a wrist type grounding strap when
servicing 1336 PLUS Drives. Failure to protect drive components
against ESD may damage drive components. Refer to
Electrostatic Discharge Precautions at the beginning of this
chapter.