Daikin AT12BV1LS Pocket Manual page 161

Troubleshooting
5.4.7 Discharge Pressure Check
Check No.8
5.4.8 Outdoor Unit Fan System Check
Check No.9
160
Discharge pressure check
High
YES
Is the stop valve open?
YES
Is the connection
pipe deformed?
YES
At
the heat exchanger and
air filter dirty?
YES
With DC Motor
Check the outdoor unit fan
system.
Outdoor unit fan running?
YES
Outdoor unit fan system
functioning.
A
Fan motor
lead wire connector
disconnected?
NO
Go to Check No. 15-1·2.
NO
Replace compessor.
NO
Open the stop valve.
NO
Replace the pipe
installed at the site.
NO
Clean.
Replace the
compressor.
NO
A
YES
Reconnect.
Si10-417
(R1443)
(R2857)
Service Diagnosis