Daikin R-410A Service Manual page 181

ESIEN05-04
Troubleshooting
Caution Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.
Part 3 – Troubleshooting
Are
the connectors
correctly connected to
X29A and X14A on
the PC board?
YES
Is
the limit
switch's transfer
connector correctly
connected?
YES
Turn the power supply off once
and back on, and check
whether the swing flap motor
swings when the power supply
is turned back on.
YES
Does the flap swing?
NO
Turn the power supply off once
and back on, and measure the
output voltage of connector
X29A when the power supply is
turned back on.
NO
220 - 240 VAC?
YES
NO
NO
Disconnect X14A, turn the
power supply off once and back
on, and check if the limit switch
has continuity when the power
supply it turned back on.
Is continuity/no
continuity reversed?
NO
Troubleshooting
Connect correctly.
Connect correctly.
YES
Replace the indoor unit
PC board.
Replace the swing
motor assembly.
(S2577)
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