MMER Code on MAC Quantum
Frequently Asked Questions
Written by Will Fraser
Updated at August 5th, 2026
Table of Contents
Brand:
- Martin
Models:
- MAC Quantum Profile
- MAC Quantum Wash
Why am I getting an MMER code on my MAC Quantum?
The “MMER" or missing module error is caused by a lack of communication with one or more modules that should be present in your fixture. It can be caused if a module is missing or not correctly connected or after the unit has been serviced.