Daikin RZQ100B8V3B Service Manual page 198

Error Codes: Indoor Units
1
Troubleshooting
3 3
4
5
Caution
3–50
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 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.
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
Yes
back on, and check if the
limit switch has continuity
when the power supply is
turned back on.
Does
continuity/
no continuity
reverse?
No
No
ESIE05-03
Connect correctly.
Connect correctly.
Yes
Replace the indoor
unit P.C.B.
Replace the swing
flap motor.
Part 3 – Troubleshooting