11
INM MTL831C Rev 7
• Extreme noise source is affecting the data highway cable. This could
include VFDs, welders, etc.
• Check all wiring terminations to see that they are tight and there are no
unintended shorts.
• Verify that the data highway shield is earthed at one location only.
• Verify the integrity of the data highway cable.
• Use the PC software to check the diagnostic information.
• Try rebooting each device connected to the data highway one at a time.
• Contact Eaton for assistance if the source of the issue cannot be found.
The POWER and ERROR lights alternately turn on and off
• This is an indication that the unit is being updated with new firmware. If
a firmware update fails to complete properly, the unit can get stuck in this
mode. Perform the firmware update again. If this does not fix the issue,
contact Eaton for assistance.
Summary of Contents for MTL831-PS
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