Haier AD482MPERA - Page 270

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[40] high pressure protection
if characteristic of
high pressure sensors
are normal
if stop valve opens fully
if in cooling outdoor
fan motor runs normally
yes
yes
no
no
yes
open stop valve
check fan motor
replace pressure sensor
no
if in heating indoor
fan motor runs normally
and if filter is clogged
yes
check indoor
no
check if piping system is
clogged
yes
clear the piping