Part 3
[36] oil temp. too low
no
yes
yes
yes
no
no
yes
yes
no
before startup, if outdoor
has been electrified for over
6 hours
start up outdoor after being electrified
for over 6 hours
when indoor is electrified
individually, in running, if some indoors
are powered off suddenly and not be switched
off normally (EEV not close well)
switch off the unit by controller after
being electrified
check if the EEV of
non-running indoor does not
close fully
check if the EEV coil is fixed well and
if the EEV port is inserted in the
correct position on PCB. If normal,
when the valve resets, sound will be
heard. If still not close well, replace
valve body
check if indoor sensor
is inserted reversely or
the sensor resistor is
inc orrect. Both of them w ill
cause EEV open too
largely
adjust and replace sensor
check if fan motor of the
runni ng indoor does not work
check if the wiring is correct
and fan motor is normal, if
not, replace
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