Daikin RZQ100B8V3B Service Manual page 172

Troubleshooting
1
Troubleshooting
3 3
4
5
Caution
3–24
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.
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.
220 - 240 VAC?
YES
Be sure to turn off power switch before connect or disconnect connector, or parts damage may be
occurred.
NO
NO
Disconnect X14A, turn the
power supply off once and back
YES
on, and check if the limit switch
has continuity when the power
supply it turned back on.
Is continuity/no
continuity reversed?
NO
NO
ESIE05-03
Connect correctly.
Connect correctly.
YES
Replace the indoor unit
PC board.
Replace the swing
motor assembly.
Part 3 – Troubleshooting