Updating the code on your Marsh 241D is fast and simple.
In the unlikely event of a problem, in-App troubleshooting is there to help.
Don't worry! There is a second way to connect your App to a 241D coder.
Learn what a single red light means on the Marsh 241D coder.
Learn how to solve connection issues between the app and the coder.
Find out what to do when you encounter a technical problem with your App.
Find out how to resolve app related problems.
This FAQ contains a complete list of all error codes displayed on the Marsh M241D App.
