Eaton M-Max series - Page 74

Error and Warning Messages
58 M-Max Series Adjustable Frequency Drive MN04020003E—October 2013 www.eaton.com
List of Fault Messages (F) and Warning Messages (AL), continued
Display Designation Possible Cause Instructions
50 Live zero error
(analog input)
Monitored zero point
Current less than 4 mA, voltage less than 2V
Signal cable interrupted
The signal source is faulty
Check the analog setpoint circuit and current and voltage
source (see parameter P2.1, P2.5, P8.1, P8.10)
51 External fault Error message at a digital input (DI1–DI6),
programmed as input for an external error
message
Check the programming (P3.5, P3.6) and check the device
indicated by the error message
Check the cabling for the respective device as well
53 Fieldbus error The communication link between the master
device and the drive's fieldbus has been
interrupted
Check the installation
Further notes are provided in the manual of the optional
fieldbus interface (CANopen, PROFIBUS DP, and so on)
If the installation is okay, contact your local representative
54 Fieldbus interface
error
MMX-NET-XA mounting frame for fieldbus
interface cards is not connected to the frequency
inverter
Optional fieldbus interface is not fitted
Error message with activated fieldbus connection of the
interface between the frequency inverter and the mounting
frame (MMX-NET-XA)
Error message as per P8.15
Further notes are provided in the optional fieldbus interface
manual (CANopen, PROFIBUS DP, and so on)