Midea MV6-252WV2GN1 - 2.7 E7: Temperature sensor (T7 C1;2) error; 2.7.1 Digital display output; 2.7.2 Description; 2.7.3 Trigger; recover condition

V6 VRF 50/60Hz
82
Midea V6 Series Service Manual
2.7 E7: Temperature sensor (T7C1/2) error
Digital display output
Description
 A compressor top temperature sensor or discharge pipe temperature sensor (T7C1/2) error.
 All units stop running.
 Error code is only displayed on the unit with the error.
Trigger / recover condition
 Trigger condition: Discharge pressure ≥ 3MPa and discharge temperature < 15
o
C for 2 minutes.
 Recover condition: Discharge pressure and temperature go back to normal.
 Reset method: Manually restart.
Possible causes
 Temperature sensor not connected properly or has malfunctioned.
 Damaged main PCB.