Midea MS9A-09HRDN1-MP0W Service Manual page 66

9.3.5 Open circuit or short circuit of temperature sensor diagnosis and solution(E5/E6)
Check the connections
between temperature
sensor and main PCB.
Are the connections
good?
Yes
Check the resistance value
of the sensor via table1
and table 2, is it normal?
No
Replace the sensor and
c h e c k i f t h e p r o b l e m
happen again?
No Correct the connections.
Replace indoor or outdoor main
Yes
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PCB.