Eaton M-Max Series User Manual page 74

Error and Warning Messages
List of Fault Messages (F) and Warning Messages (AL), continued
Display Designation
50 Live zero error
(analog input)
51 External fault
53 Fieldbus error
54 Fieldbus interface
error
58 M-Max Series Adjustable Frequency Drive MN04020003E—October 2013 www.eaton.com
Possible Cause
Monitored zero point
Current less than 4 mA, voltage less than 2V
Signal cable interrupted
The signal source is faulty
Error message at a digital input (DI1–DI6),
programmed as input for an external error
message
The communication link between the master
device and the drive's fieldbus has been
interrupted
MMX-NET-XA mounting frame for fieldbus
interface cards is not connected to the frequency
inverter
Optional fieldbus interface is not fitted
Instructions
Check the analog setpoint circuit and current and voltage
source (see parameter P2.1, P2.5, P8.1, P8.10)
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
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
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)