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Troubleshooting for Indoor Unit
Si21-205
150
Troubleshooting
Troubleshooting
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.
Connect correctly.
Connect correctly.
Replace the indoor unit P.C.B.
Replace the swing flap motor.
Is
the limit
switch's transfer
connector correctly
connected?
Does the swing
flap motor swing?
Are
the connectors
correctly connected
to X29A and X14A
on the PC
board?
NO
YES
YES
NO
YES
Does
continuity/no
continuity
reverse?
YES
220-240 VAC?
NO
NO
YES
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.
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.
(S2009)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Summary of Contents for Sky Air B-Series R-410A
Page 7: ...Si21 205 vi Table of Contents ...
Page 15: ...Models Si21 205 4 Model Name and Power Supply ...
Page 16: ...Si21 205 Functions 5 Part 2 Functions 1 List of Functions 6 ...
Page 35: ...Wireless Remote Controller Si21 205 24 Remote Controller ...
Page 79: ...Settings Concerning Maintenance Si21 205 68 Field Setting Detail of PCB 2 ...
Page 83: ...Maintenance Mode Setting Si21 205 72 Field Setting ...
Page 239: ...Troubleshooting for Outdoor Unit 50 60 class Si21 205 228 Troubleshooting ...
Page 321: ...Outdoor Unit 50 60 class Si21 205 310 Removal Procedure ...