Midea MP09HMB82

10.2 Troubleshooting
10.2.1 Open circuit or short circuit of temperature sensor diagnosis and solution(AS/E5/CS/oS/HS)
Error Code
AS/E5/CS/oS/HS
Malfunction decision
conditions
If the sampling voltage is lower than 0.06V or higher than 4.94V, the
LED will display the failure.
Supposed causes
● Wiring mistake
● Faulty sensor
● Faulty PCB
Troubleshooting:
Check the connection
between temperature
sensor and PCB.
Correct the connectionNo
Yes
Replace indoor main PCB
Measure the resistance
value of the sensor
Repalce the sensorNo
Yes
www.mideaaircon.com 25
T1
T2
T3
T4
T5/T6