Midea MGA-D16/SN1

R410A Mini Split Chiller 50Hz MCAC-ATSM-2014-01
42
E5: Outlet water temperature sensor checking channel is abnormal
E6: Condenser temperature sensor checking channel is abnormal.
LED indicates E5
Check whether the wiring of outlet water temperature
sensor is broken.
Yes
Connect the wiring well.
Check whether the outlet water temperature sensor
is broken: see whether the resistance of outlet water
temperature sensor is wrong.
No
Yes
Replace the outlet water temperature sensor.
LED indicates E6
Check whether the wiring of condenser temperature
sensor is broken.
Yes
Connect the wiring well.
Check whether the condenser temperature sensor is
broken: see whether the resistance of condenser
temperature sensor is wrong.
No
Yes
Replace the condenser temperature sensor.
Replace the PCB.
No
Replace the PCB.
No