Midea MV6-252WV2GN1 - 2.5 E4: Temperature sensor (T3;T4) error; 2.5.1 Digital display output; 2.5.2 Description; 2.5.3 Trigger; recover condition

V6 VRF 50/60Hz
78
Midea V6 Series Service Manual
2.5 E4: Temperature sensor (T3/T4) error
Digital display output
Description
 Outdoor heat exchanger temperature sensor (T3) error or outdoor ambient temperature sensor (T4) error.
 All units stop running.
 Error code is only displayed on the unit with the error.
Trigger / recover condition
 Trigger condition: The main control board cannot receive the feedback signal of temperature sensor T3 or T4.
 Recover condition: The main control board can receive the feedback signal of temperature sensor T3 or T4.
 Reset method: Resume automatically.
Possible causes
 Temperature sensor not connected properly or has malfunctioned.
 Damaged main PCB.