5–9Part Replacement Procedures
Publication 1336 IMPACT-6.2 – March 1998
Thermistor
The Thermistor is located on the heat sink, between the Power
Modules and the Input Rectifier.
Figure 5.4
Thermistor
Thermistor
Connector to Main
Control Board J1
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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