E46
Address Setting Conflict
Mitsubishi Electric · R410A Systems
What does E46 mean?
A conflict exists in the address settings of units on the network. This specifically occurs when a combination of automatic, manual, or remote control addressing modes are simultaneously used on one network, disrupting communication.
Repair Steps
- 1
Review all indoor and outdoor unit address settings to ensure a consistent addressing method (e.g., all manual, or all auto where supported).
- 2
Verify that there are no duplicate addresses assigned to any unit on the network.
- 3
Refer to the system installation manual for proper addressing procedures for the specific system configuration.
Verified technical data. Last updated: March 2026
Source: Mitsubishi Electric R410A Systems