SiE12-411 Check
Service Diagnosis 209
6.1.7 Discharge Pressure Check
Check No.8
6.1.8 Outdoor Unit Fan System Check (With DC Motor)
Check No.9
Discharge pressure check
Replace compessor.
Open the stop valve.
Replace the pipe installed at
the site.
Clean.
Replace the compressor.
(R1443)
YES
YES
YES
NO
NO
NO
NO
At the heat exchanger and
air filter dirty?
Is the stop valve open?
Is the
connection pipe deformed?
YES
High
Check the outdoor unit fan system.
Reconnect.
(R2857)
Outdoor unit fan running?
YES
Fan motor lead wire
connector disconnected?
YESNO
NO
Outdoor unit fan system
functioning.
Go to Check No. 15.