U2
Mitsubishi Heavy
Mitsubishi Heavy air conditioner error U2
Meaning
Inner thermostat (49C) operation
General meaning for the brand's models, unless a model's own manual says otherwise. See the meaning per model series below.
Meaning per model series
The brand's other modelsInner thermostat (49C) operation
The general meaning, unless a model's own manual says otherwise.
The brand's other modelsAbnormal high discharging temperature
The general meaning, unless a model's own manual says otherwise.
Related guides
- Checking an air conditioner temperature sensor (thermistor)
How to check the room, coil or discharge sensor when the unit reports a sensor error: measure its resistance and compare with the exact model's table.