Midea AAC-18ISCH, Service Manual

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Service manual
44
Yes
13.1.5
Display LED STATUS
E5 Open or short circuit of outdoor temperature sensor
Yes No
13.1.6
Display LED STATUS
E6 Room temperature or evaporator temperature sensor open or short circuit
yes No
13.1.7
Display LED STATUS
P0 Module protection
Is connector connection good?
Is voltage being applied to the fan motor?
(rang 90v-160v between mid pin and N on CN1
Indoor fan motor is defective
Repair the connector.
Indoor PCB is defective
No
Yes
No
Is connection to connector good?
Replace the sensor Repair connector
Is connection to connector good?
Replace the sensor
Repair connector
If display E5 all the same, replace indoor main PCB.
If display E6 all the same, replace outdoor main PCB.
Replace indoor main PCB.
Replace indoor fan motor.