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Trips and Fault Finding
1
Trips Table
2
The following trips may occur to protect the drive.
3
8
9
10
11
A
B
C
D
4
5
6
6511
Keypad
Display
6901
Keypad
Display
Description
Possible Reason for Trip
DCHI OVERVOLTAGE
The
drive internal dc link
voltage is too high
♦
The supply voltage is too high
♦
Trying to decelerate a large inertia load too quickly
♦
The brake resistor is open circuit
DCLO
UNDERVOLTAGE
The drive internal dc link
voltage is too low
♦
The supply voltage is too low
♦
The supply has been lost
♦
A supply phase is missing
7
E
Page
10-4
890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames B, C & D