Service Bulletin SB229
SB229 rev. A
7 of 16
Original Instructions
b) Loosen the screws on the green terminals on the encoder module with a
slotted screwdriver. Remove the wires from those terminals. Do not
untwist any of the twisted wires. See Figure 7.
c) Loosen the screws on the green terminals of the extension module with a
slotted screwdriver. Remove the wires from these terminals. See Figure 7.
Figure 7: Removing Wires from Modules
d) Pull the gray terminal blocks on the front of the VFD forward to remove
them. Leave the wires in the terminal blocks to make rewiring easier. See
Figure 8.
Use a flathead screwdriver to pry gently on the right sides of the
terminal blocks if necessary.
Figure 8: Removing Terminal Blocks from VFD
e) Cut the zip ties that bundle the gray cable with the blue wires, red wires,
and white and blue wire.
