Daikin SkyAir RZR-TA Series Service Manual page 231

SiUS281811EA
Troubleshooting
Part 6 Service Diagnosis
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Turn off the power and wait for
10 minutes.
There is a
foreign matter around
the fan.
NO
The fan
motor connectors (X1A and
X2A) of the fan PCB (A2P)
are disconnected.
NO
The connectors
between the indoor unit
PCB (A1P) and the fan
PCB (A2P) are
disconnected.
NO
The fuse (F3U, white)
on the fan PCB (A2P)
has no continuity.
YES
The fan
can be moved lightly
by hand after the fan motor
connector of the fan PCB
(A2P) is removed.
YES
The
resistance between
the power wire terminals of
the fan motor and motor frame
(metal part) is 1 M: or
below.
NO
CHECK 16
Remove the power wire
connector from the fan motor
and measure the resistance
between U and V, V and W, and
W and U phases.
Go to the next page.
A
YES
YES
YES
NO
NO
YES
Troubleshooting by Error Codes
Remove the foreign matter.
Connect the connector
properly.
Connect the connector
properly.
Replace the fan PCB (A2P).
Replace the indoor fan
motor.
Replace the indoor fan
motor.
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