Fault Codes:XCMG XE750D SPN4792 FMI31
Fault Description:
Post-treatment system #1 SCR Catalyst system: Existing conditions
Fault Cause:
The engine ECM generates this code. Use Perkins EST to connect the post-processing ECM and obtain the special code that can trigger the warning.
FairTradeMachinery
“You Design the Vision. We Handle the Hard Parts.”
Helping Global Buyers Access Better-Value Machinery and After-Sales Solutions.
As China’s Leading Global Used Machinery Exchange Platform, we sits at the intersection of IoT technology and B2B commerce. That means real-time inventory data, verified seller profiles, and a transaction process designed for cross-border buyers who can't always inspect machines in person. Our users in China have exceeded 1.5 millions meaning we have the first source of excavator owners and the equivalent number of machines. This means we can cover all the popular models and even specific needs, no matter of the status.








