Parker ac890 - Trips Table

11-4 Trips & Fault Finding
890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames B, C & D
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