Midea Advantage Series

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7.4.1.5 Temperature sensor malfunction diagnosis and solution.
Malfunction conditions
If the sampling voltage is lower than 0.06V or higher than 4.94V,
the LED displays a failure.
Potential causes
● Wiring mistake
● Faulty sensor
● Faulty PCB
Trouble shooting:
Check the connections
between temperature
sensor and PCB. Are
the connections good?
Correct the connections.No
Yes
Yes Replace indoor or outdoor PCB.
Replace the sensor
Check the resistance value
of the sensor via Appendix 1
and Appendix 2
Is it normal?
No