Mitsubishi Electric · Air Conditioning
This error indicates an incorrect capacity setting, often due to misconfiguration of DIP switches on the indoor (SW2) or outdoor (SW5) units.
Click steps to track your progress.
Check and correct the setting of SW2 on the indoor unit.
Verify and adjust SW5 on the outdoor unit.
For older models, confirm the correct settings for SW3-10.
Refer to the installation manual for specific switch settings.