MMER Code on MAC Quantum
Written by Will Fraser
Updated at January 16th, 2026
Question:
Why am I getting an MMER code on my MAC Quantum?
Answer:
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. Please contact Martin Tech support for assistance with this error.