Troubleshooting MLCAC-UTSM-2010-10
92 Outdoor Units
10.3 Solving steps for typical malfunction
10.3.1 For the indoor unit
10.3.1.1 Open or short circuit of temperature sensor
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
Is it normal?
No
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