Operating Manual for Central Air Conditioner Thermostat
17
6 Ambient temperature sensor failure
If the ambient temperature sensor fails to work,
the screen will not display the ambient temperature
or the set temperature but “F5”. In this case, the unit
continues to work at 24
o
C, an ambient temperature.
The user is allowed to adjust the set temperature.
No. Code Description
1 F5 Indoor ambient temperature sensor failure
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