Rockwell Automation SP600 AC Drive User Manual Version 1.0 User Manual
Page 248

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