5–11Part Replacement Procedures
Publication 1336 IMPACT-6.2 – March 1998
Power Modules PM1 – PM3
Power Modules PM1 – PM3 are located on the heat sink, behind the
Snubber Board.
Figure 5.5
Power Modules
AB0350A
E2
B2
E1
B1
C1
E2
C2E1
Power
Module
Preform
Removal
!
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.
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