Midea MDV-252(8)W/D2RN1T(C)

V4+R VRF 50/60Hz
201608 57
Part 5 - Diagnosis and Troubleshooting
4.5 E4, E7 Troubleshooting
Digital display output 4.5.1
Description 4.5.2
 E4 indicates an outdoor ambient temperature sensor error and condenser pipe temperature sensor error.
 E7 indicates discharge pipe temperature sensor error.
 All units stop running.
 Error code is only displayed on the unit with the error.
Possible causes 4.5.3
 Temperature sensor not connected properly or has malfunctioned.
 Damaged main PCB.