Carrier 38QUA009DS, Service Manual, Page: 87 / 116

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15.4.12 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 DIRECTI
ON 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 Fr 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
When the AC enter into the information enquiry status, it will display the code value in the next 25s
, the
details are as follows.