Midea MFA-12HRN1 User Manual

Troubleshooting MCAC-UTSM-2009-03
30 Outdoor Units
2. Defrosting lamp flash at 5Hz
3. Running lamp, Timer lamp, Defrosting lamp all flash at 5Hz
Judge: Evaporator temp. sensor checking channel is abnormal
Validate: Check whether the resistance of the evaporator
temp. sensor is correct according to Annex 1
Yes
Replace the evaporator temp. sensor
Replace the indoor main board
No
Judge: Condenser temp. sensor checking channel is abnormal
Validate: Check whether the resistance of the condenser
temp. sensor is correct according to Annex 1
Yes
Replace the condenser temp. sensor
Replace the PCB
No
Defrosting lamp flash at 5Hz
Running lamp, Timer lamp, Defrosting lamp all flash at 5Hz

Midea MFA-12HRN1 Specifications

General

Brand	Midea
Model	MFA-12HRN1
Category	Air Conditioner
Language	English