Daikin D Series Service Manual page 184

SiBE12-519
5.1.6 Discharge Pressure Check
Check No.08
Discharge pressure check
5.1.7 Outdoor Unit Fan System Check (With DC Motor)
Check No.09
Service Diagnosis
High
YES
Is the stop valve open?
YES
Is the
connection pipe deformed?
YES
Are the heat exchanger and
air filter dirty?
Not dirty
Check the outdoor unit fan system.
Outdoor unit fan running?
YES
Outdoor unit fan system
functioning.
NO
NO
NO
Dirty
NO
Fan motor lead wire
connector disconnected?
NO
Go to Check No. 15.
Check
Replace compessor.
Open the stop valve.
Replace the pipe installed at
the site.
Clean.
Replace the compressor.
(R3049)
YES
Reconnect.
(R2857)
175