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9.3.5 Open circuit or short circuit of temperature sensor diagnosis and solution(E5)

Error Code

E4/E5/F1/F2/F3

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

● Sensor faulty

● PCB faulty

Trouble shooting:

Check the connection

between temperature

sensor and PCB.

Correct the connectionNo

Yes

Replace indoor or outdoor

main PCB

Measure the resistance

value of the sensor

Repalce the sensorNo

Yes

Midea CS11M-09HRFN1-MX0W User Manual

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