Daikin SUPER MULTI NX G Series Service Manual page 163

SiUS12-928_A
6.1.6 Discharge Pressure Check
Check No.08
6.1.7 Outdoor Unit Fan System Check
Check No.09
DC motor
Service Diagnosis
Discharge pressure check
High?
YES
Is the stop valve open?
YES
Is the connection pipe
deformed?
NO
Is the air
filter or indoor/outdoor
heat exchanger
dirty?
Not dirty
Check the outdoor unit fan system.
Outdoor unit fan running?
YES
Outdoor unit fan system
functioning.
NO
NO
YES
Dirty
Fan motor
NO
lead wire connector
disconnected?
NO
Go to Check No. 15.
Check
Replace the compressor.
Open the stop valve.
Replace the pipe installed at
the site.
Clean the dirty one.
Replace the compressor.
(R11718)
YES
Reconnect the connector.
(R7159)
154