Rockwell Automation Liqui-Flo 1.5 General Purpose and Vector Duty User Manual
Page 124
5-10
LiquiFlo 1.5 AC Drive, Software Reference Version 1.2
Aux Fault
2
➀
Input is open.
Check remote wiring.
Gate Kill
207
Inverter gsate kill contact is
open.
Close gate kill contact.
Ground Fault
13
➀
A current path to earth ground
in excess of 2A has been
detected at one or more of the
drive output terminals.
Check the motor and external
wiring to the drive output
terminals for a grounded
condition.
Heatsink
OvrTemp
8
➀
Cooling Fan Failure
1.
Verify that ambient
temperature has not
exceeded 40
°
C (104
°
F)
NEMA Type 1 installations or
50°C (122°F) for Open type
installations.
2.
Check fan.
HW
OverCurrent
12
➀
The drive output current has
exceeded the hardware
current limit.
Check programming. Check for
excess load, improper DC
boost setting, DC brake volts
set too high or other causes of
excess current.
I/O Board
Comm Loss
121
➁
Loss of communication to I/O
board.
Cycle power.
I/O Board Fail
122
Board failure.
1.
Cycle power.
2.
If fault repeats, replace I/O
board
I/O Board
Mismatch
120
Incorrect I/O board identified.
Restore I/O board to original
configuration, or If new
configuration is desired, reset
fault.
Incompat
MCB-PB
106
➁
Drive rating information stored
on the power board is
incompatible with the Main
Control board.
Load compatible version files
into drive.
IR Volts
Range
77
The drive autotuning default is
Calculate and the value
calculated for IR Drop Volts is
not in the range of acceptable
values.
Re-enter motor nameplate
data.
Motor
Overload
7
➀
➂
Internal electronic overload
trip.
Enable/disable with Fault
Config 1 (238).
An excessive motor load exists.
Reduce load so drive output
current does not exceed the
current set by Motor NP FLA
(42).
Table 5.6 – Fault Descriptions and Corrective Actions (Continued)
Fault
No.
Ty
p
e
Description
Action