Carrier 38QHC009D8S Series, Service Manual

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9.4.14 Point check function
Press the LED DISPLAY or LED or MUTE button of the remote controller three times, and then press
the AIR DIRECTION or SWING button three times in ten seconds, the buzzer will keep ring for two
seconds. The air conditioner will enter into the information enquiry status. You can press the LED
DISPLAY or AIR DIRECTION button to check the next or front item’s information.
When the AC
enter the “information enquiry” status, it will display the code name
in 2 seconds, the
details are as follows.
Enquiry information Displaying code Meaning
T1
T1
T1 temp.
T2
T2
T2 temp.
T3 T3 T3 temp.
T4 T4 T4 temp.
T2B Tb T2B temp.
TP
TP
TP temp.
TH
TH
TH temp.
Targeted Frequency
FT
Targeted Frequency
Actual Frequency F r Actual Frequency
Indoor fan speed IF Indoor fan speed
Outdoor fan speed OF Outdoor fan speed
EXV opening angle
LA
EXV opening angle
Compressor continuous running time
CT
Compressor continuous
running time
Causes of compressor stop. ST Causes of compressor
stop.
Reserve
A0
Reserve
A1
Reserve 0
Reserve 1
Reserve 2
Reserve
3
Reserve
4
Reserve
5
Reserve
6
Reserve L
Reserve A
Reserve U
Reserve
T