Trips and Fault Finding
Page
10-8
890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames B, C & D
8
9
10
11
A
B
C
D
1
2
3
4
5
6
7
E
6511
Keypad
Display
6901
Keypad
Display
Description
Possible Reason for Trip
I HI
CURRENT LIMIT
V/Hz mode only: If the
current exceeds 180% of
induction stack rated
current for a period of 1
second, the drive will trip.
This is caused by shock
loads
♦
Remove the cause of the shock load
A24SC
24V FAILURE
The 24V customer output
has fallen below 17V
♦
24V customer output is short circuited
♦
Excessive loading
LSPD
LOW SPEED OVER I The motor is drawing too
much current (>100%) at
zero output frequency
♦
FIXED BOOST and/or AUTO BOOST set too high
(refer to FLUXING menu at level 3)
PHAS PHASE
FAIL
♦
One or more input phases not present
ENC 1
FBK ENCODER FAIL
♦
Encoder fault - this trip is not functional in software
version 1.x
SHRT
DESAT (OVER I)
♦
Instantaneous overcurrent. Refer to
OVERCURRENT in this table