Troubleshooting for Indoor Unit
Si21-205
148
Troubleshooting
Troubleshooting
Check No.1
Refer to P.162
Connect correctly.
Remove the foreign matter.
NO
YES
YES
Replace the fan motor.
YES
NO
NO
Check No. 1
Check for the fan motor
connector.
YES
Replace the indoor unit PC board.
Turn off the power supply.
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
(S2578)
Is the
harness from the fan
motor correctly connected to
X20A connector on
A1P?
Is there any
foreign matter
around the fan?
Does
the resistance
between U,V,W phases
of fan motor balance each
other? Is there short circuit
between U,V,W
phases
respectively?
Содержание Sky Air B-Series R-410A
Страница 7: ...Si21 205 vi Table of Contents ...
Страница 15: ...Models Si21 205 4 Model Name and Power Supply ...
Страница 16: ...Si21 205 Functions 5 Part 2 Functions 1 List of Functions 6 ...
Страница 35: ...Wireless Remote Controller Si21 205 24 Remote Controller ...
Страница 77: ...Settings Concerning Maintenance Si21 205 66 Field Setting FHQ B Service monitor LED Capacity setting adaptor ...
Страница 79: ...Settings Concerning Maintenance Si21 205 68 Field Setting Detail of PCB 2 ...
Страница 83: ...Maintenance Mode Setting Si21 205 72 Field Setting ...
Страница 239: ...Troubleshooting for Outdoor Unit 50 60 class Si21 205 228 Troubleshooting ...
Страница 246: ...Si21 205 FFQ25 35 50 60BV1B Removal Procedure 235 4 Remove the horizontal vane Step Procedure Points S2646 ...
Страница 283: ...Outdoor Unit 25 35 class Si21 205 272 Removal Procedure 2 Slide the MID upward and release Step Procedure Points ...
Страница 285: ...Outdoor Unit 25 35 class Si21 205 274 Removal Procedure 4 Remove the fan motor Step Procedure Points ...
Страница 321: ...Outdoor Unit 50 60 class Si21 205 310 Removal Procedure ...