Outdoor Unit Fan System Check - Daikin FTKS20CVMB Service Manual

Check

5.1.6 Outdoor Unit Fan System Check

Check No.9 DC motor — (A)RK(X)S models
AC motor — (A)RK(X)H, R(Y)N models
142
Check the outdoor unit fan system.
Outdoor unit fan running?
YES
Outdoor unit fan system
functioning.
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
Fan motor lead wire
connector disconnected?
NO
Go to Check No. 15.
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
SiENBE04-401A
YES
Reconnect.
(R2857)
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)