Haier AU96NFTAHA Service Manual page 41

a. Cooling trial run function of outdoor unit
Function of setting all the indoor unit groups connected to the cooling trial run mode,
with outdoor unit as unit.
(Running sequence)
Press the micro switch SW04 on the same PCB for
over 2 seconds.
Confirm that the remote controller of the indoor unit
group to be run has been set to the cool running
mode (display "L") and confirm that the display on the
7-segment nixie tube on the I/F PCB of the outdoor unit
is "-C".
Resume SW01 on the I/F PCB of the outdoor unit to
"0", SW02 to "0".
Switch on the power
Set SW01 on the I/F PCB of outdoor unit
to "0", SW02 to "11"
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Running confirmation.
Finish.