Discharge Pressure Check - Daikin FLKS25BVMB Service Manual

Check

5.1.5 Discharge Pressure Check

Check No.8
5.1.6 Outdoor Unit Fan System Check (With AC Motor)
Check No.9
108
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 fan system.
Does the outdoor
fan rotate?
YES
Does
the outdoor unit fan
start just after the power
is turned on?
NO
NO
NO
NO
Dirty
Check the
NO
fan motor lead wire
connector for secure
connection.
Normal
Are the
YES
resistance at connector
leads ∞? 1. red - black,
2. white - black
NO
Check the fan
capacitor for continuity.
No continuity
SiBE05-311
Replace compessor.
Open the stop valve.
Replace the pipe installed at
the site.
Clean.
Replace the compressor.
(R3049)
Abnormal
Repair.
YES
Replace the fan motor.
Continuity
Replace the fan motor.
Replace the outdoor unit PCB.
The outdoor fan system is
normal.
Service Diagnosis
(R2670)