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Trips & Fault Finding
9-11
AC890PX AC Drive
Trips Table – COMMS FAULT Messages
Keypad Display
Description
Possible Reason for Trip
COMMS FAULT
CODE N
The drive has not responded to a message from the
6901
Drive CPU busy.
COMMS FAULT
CODE C
Incorrect reply from drive following a selection
(command) message from the 6901
Unexpected, due to electrical interference
COMMS FAULT
CODE P
Parity error in message received from the drive by the
6901
COMMS FAULT
CODE F
Format of message received from the drive by the
6901 is incorrect
COMMS FAULT
CODE B
BCC (block check character) in message received
from the drive by the 6901 is incorrect
COMMS FAULT
CODE L
Length of message received from the drive by the
6901 is incorrect (too many characters)
NOTE:
The Trips for the 890PX are the same as for a 890 drive but there are additional comments which are displayed at the end of
the top line, on the MMI.
M - indicates trips reported by the master control unit
1 - indicates trips reported by slave 1 unit
2 - indicated trips reported by slave 2 unit
"U", "V", "W" indicates which phase in the unit is reporting the trip.
Example: '
M V SAFE TORQUE OFF
' is an alarm being reported by the Master on phase V.
Summary of Contents for AC890PX Series
Page 17: ...2 5 Product Overview AC890PX AC Drive 890PX bottom wire entry ...
Page 144: ...The Keypad 7 9 AC890PX AC Drive The Menu System Map ...
Page 145: ...7 10 The Keypad AC890PX AC Drive The Menu System Map continued ...
Page 328: ...Programming D 88 AC890PX AC Drive Functional Description ...
Page 386: ...Programming D 146 AC890PX AC Drive Setpoint Drive Frequency Frequency 1 Frequency 2 ...