SLX9000 Adjustable Frequency Drives User Manual
MN04003020E
For more information visit: www.eaton.com A-3
January 2009
Table A-1: Fault Codes (Continued)
Programmable.
“A” faults only.
Fault
Code Fault Possible Cause Solution
39 Device removed
• option board removed
• drive removed
Reset
40 Device unknown Unknown option board or drive. Contact your Cutler-Hammer
distributor.
41 IGBT temperature IGBT Inverter Bridge
overtemperature protection has
detected too high a motor current.
Check loading.
Check motor size.
44 Device change
• option board changed
• option board has default settings
Reset.
45 Device added
• option board changed
• option board has default settings
Reset.
50 Analog input
I
in
<4 mA (selected
signal range 4 to
20 mA)
Current at the analog input is
< 4 mA.
• control cable is broken or loose
• signal source has failed.
Check the current loop circuitry.
51 External fault Digital input failed. Digital input has
been programmed as external fault
input and this input is active.
Check the programming and the
device indicated by the external fault
information. Check also the cabling
of this device.
52 Keypad
communication
fault
The connection between the control
keypad and the drive is broken.
Check the keypad connection and
keypad cable.
53 Fieldbus fault
The data connection between the
fieldbus master and the fieldbus
board is broken.
Check installation.
If installation is correct contact your
Cutler-Hammer distributor.
54 Slot fault
Defective option board or slot. Check that the board is properly
installed and seated in slot. If the
installation is correct, contact your
Cutler-Hammer distributor.
55 Actual value
supervision
Actual value has exceeded or fallen
below (depending on para. 2.7.22)
the actual value supervision limit
(para. 2.7.23)