
Trips and Fault Finding
11-4
890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames E & F
Trips Table
The following trips may occur to protect the drive.
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