Service Manual

Check SiUS091133
149 Service Diagnosis
5.10 Installation Condition Check
Check No.17
Installation condition check
OK
Check the allowable
dimensions of the air
suction and
discharge area.
Is the airflow blocked by
obstacles or winds
blowing in the opposite
direction?
(R17119)
NG
YES
YES
YES
Is the discharged air
short-circuited?
NO
NO
NO
Is the outdoor heat
exchanger very dirty?
Change the installation
location or direction.
Change the installation
location or direction.
Clean the outdoor heat
exchanger.
Change the installation
location or direction.
Check the outdoor temperature.
(The outdoor temperature
should be within operation
range.)