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
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