Mitsubishi Heavy Industries · R410A Systems
A pipe sensor, likely measuring refrigerant temperature on a pipe within the indoor unit, is reporting an abnormal condition. This affects the system's ability to monitor refrigerant flow.
Click steps to track your progress.
Turn off the air conditioning unit at the main power supply.
Wait for 30 seconds, then turn the power back on.
If the error continues, contact a qualified technician to diagnose the pipe sensor and refrigerant system.