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[43-0, 43-1] protection of discharging temperature too low
if Toil is fixed well and
if its characteristic is correct
in cooling mode, check
if electronic expansion valve
of indoor unit which is not
running does not
in heating mode, check
if terminal of LEVb is
fixed well, if it leaks
in heating mode, check
terminals of LEVb, LEV A1,
LEV A2 are connected
respectively
check if refrigerant is too
much
yes
close fully
no
no
yes
no
fix again or replace the sensor
check indoor electronic
yes
expansion valve
yes
check LEVb
no
re-connect the terminals
yes
recharge refrigerant
271
236
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