Check SiENBE05-722_A
106 Service Diagnosis
4.1.4 Installation Condition Check
Check No.07
4.1.5 Discharge Pressure Check
Check No.08
Installation condition check
Normal
Check the
allowable dimensions of the
air suction and discharge
area.
Is the
airflow blocked by
obstacles or winds blowing
in the opposite direction?
(R9459)
Abnormal
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 46°C or lower.)
(R11718)
Not dirty
YES
YES
Dirty
NO
NO
NO
YES
Is the air filter or
indoor / outdoor heat exchanger
dirty?
Is the connection pipe
deformed?
Is the stop valve open?
High?
Replace the compressor.
Open the stop valve.
Replace the pipe installed at
the site.
Clean the dirty one.
Replace the compressor.
Discharge pressure check