Daikin E-Series Service Manual page 300

SiENBE18-621
Troubleshooting
Troubleshooting
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Are the
connectors
correctly connected NO
to X29A and X14A
on the PC
board?
YES
Is the
limit switch's
NO
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 swing
flap motor
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
Troubleshooting for SkyAir Indoor Unit
Disconnect X14A, turn
the power supply off
once and back on, and
check if the limit switch
has continuity when
the power supply is
turned back on.
Does
YES
continuity/
no continuity
reverse?
NO
Connect correctly.
Connect correctly.
Replace the indoor unit P.C.B.
Replace the swing flap motor.
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289