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Rockwell Automation SP600 AC Drive User Manual Version 1.0 User Manual

Page 248

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13-16

SP600 AC Drive User Manual

SW
OverCurrent

36

The drive output current
has exceeded the
software current.

Check for excess load,
improper DC boost setting.
DC brake volts set too
high.

Trnsistr
OvrTemp

9

Output transistors have
exceeded their
maximum operating
temperature.

1. Check for blocked or

dirty heat sink fins.
Verify that ambient
temperature has not
exceeded 40

°C (104°F)

for NEMA Type 1
installations or 50°C
(122°F) for Open type
installations.

2. Check fan.

UnderVoltage

4

DC bus voltage fell
below the minimum
value of 375V DC at
575V input, 300V DC at
400/480V input or 160V
DC at 200/240V input.

Enable/disable with
Fault Config 1(233).

Monitor the incoming AC
line for low voltage or
power interruption.

UserSet1
Chksum

101

The checksum read
from the user set does
not match the checksum
calculated.

Re-save user set.

UserSet2
Chksum

102

UserSet3
Chksum

103

Table 13.6 – Fault Descriptions and Corrective Actions (Continued)

Fault

No.

Ty

p

e

Description

Action