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Daikin VRV III-S RXYMQ36 48PVJU Service Manual Page 126

60 hz.
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SiUS34-907
Troubleshooting
Caution Be sure to turn off the power switch before connecting or disconnecting the connector, or parts may be damaged.
Turn off the power and wait for 10
minutes.
foreign matter around
motor connectors
(X1A and X2A ) of the fan
connectors between the
indoor unit PCB (A1P) and the fan
(F3U, white) on the fan
PCB (A2P) has no
can be moved lightly by
hand after the fan motor connector
of the fan PCB (A2P) is
between the power wire
terminals of the fan motor and
motor frame (metal part)
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 (*1).
Troubleshooting
There is a
YES
the fan.
NO
The fan
YES
PCB (A2P) are
disconnected.
NO
The
YES
PCB (A2P) are
disconnected.
NO
The fuse
NO
continuity.
YES
The fan
NO
removed.
YES
The resistance
YES
is 1 MW or
below.
NO
A
Troubleshooting by Indication on the Remote Controller
Remove the foreign matter.
Connect correctly.
Connect correctly.
Replace the fan PCB (A2P).
Replace the fan motor.
Replace the fan motor.
117

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    RXYQ18PAY6 service manual & vrv Fulform