Air Conditioning Error Codes
5 error codes across 1 brands. Find your code, what it means, and how to fix it.
Mitsubishi
5 codes E1
Indoor unit communication error — the indoor and outdoor units cannot communicate properly.
E2
Outdoor unit communication error — the outdoor unit is not responding to signals from the indoor unit.
E3
Indoor temperature sensor error — the indoor unit cannot accurately read room temperature.
E4
Outdoor temperature sensor error — the outdoor unit cannot accurately read outside temperature.
E5
Overcurrent protection — the unit has detected excessive electrical current and triggered a protective shutdown.