
The Keypad
9-14
890CS Common Bus Supply - Frames B & D; 890CD Common Bus Drive and 890SD Standalone Drive - Frames E & F
Alert Message Displays
A message will be displayed on the Keypad when either:
•
A requested operation is not allowed:
The top line
details the illegal operation, while the
bottom line
gives the reason or cause. See example
opposite.
•
The unit has tripped:
The top line
indicates a trip has occurred while the
bottom line
gives the reason for the trip. See
example
opposite.
Most messages are displayed for only a short period, or for as long as an illegal operation is tried, however,
trip messages must be acknowledged by pressing the
E
key.
Experience will show how to avoid most messages. When using the 6901 keypad, they are displayed in
clear, concise language for easy interpretation. Refer to Chapter 11: “Trips and Fault Finding” for trip
messages and reasons.
1
1
REMOTE SEQ
* KEY INACTIVE *
1
1
HEATSINK TEMP
* * * TRIPPED * * *