Discharge Pressure Check - Daikin B-Series Service Manual

Check
5.1.6

Discharge Pressure Check

Check No.08
5.1.7 Outdoor Unit Fan System Check
Check No.09
146
Discharge pressure check
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
(With DC Motor)
Fan motor
NO
lead wire connector
disconnected?
NO
Go to Check No. 15.
Si04-306E
Replace the compressor.
Open the stop valve.
Replace the pipe installed at
the site.
Clean.
Replace the compressor.
(R7158)
YES
Reconnect.
(R7159)
Service Diagnosis