Si18-201
Troubleshooting - Outdoor Unit Related
Service Diagnosis
291
3.3.28
Transmission Error between Outdoor Unit and BP Unit
Outdoor Unit
Indication
U4
Method of
Malfunction
Detection
Transmission error is detected when the data from BP unit could not be correctly received.
Malfunction
Decision
Conditions
When the data from BP unit could not be correctly received continuously for 15 seconds
Supposed
Causes
"
Incorrect connection of transmission wire
"
Connection from Side-A of BP is not carried out.
"
BP determined numbers are different from actual BP numbers.
"
Distortion of power supply wave
Troubleshooting
Turn the power supply off.
YES
Check the transmission
wire and the connection
orders.
Replace filter PC board.
Is it normal?
(MF047)
NO
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Check the transmission wire
between outdoor unit - BP
unit
Is filter PC board normal?
NO
Turn the power supply back
on.
YES
Are the
connection BP numbers
lit on after displaying
888?
NO (blinking)
YES
Set the numbers again.
Turn the power supply on
again.
Display mode completed
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Страница 71: ...Specifications Si18 201 58 Specifications...
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Страница 209: ...Remote Controller Si18 201 196 Operations 1 1 5 FTKD FTXD50 60 71J...
Страница 213: ...Remote Controller Si18 201 200 Operations 1 1 9 FHYC35 50 60 71K Optional Accessory BRC7C612WC...
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Страница 217: ...Remote Controller Si18 201 204 Operations...
Страница 234: ...Si18 201 Method of Field Set Operating Test 221 2 3 Interface Adaptor for Room Airconditioner KRP928A1S...
Страница 237: ...Method of Field Set Si18 201 224 Operating Test...
Страница 262: ...Si18 201 Troubleshooting SkyAir Indoor Unit Service Diagnosis 249...
Страница 393: ...Wiring Diagrams Si18 201 380 Appendix FHYC35 50 60 71KVE9 3D005668C...
Страница 394: ...Si18 201 Wiring Diagrams Appendix 381 FHYC35 50 60 71KV1C9...
Страница 395: ...Wiring Diagrams Si18 201 382 Appendix FDYM60 03FAV1 FDYM60 03FAVAL C 3D019816D OPTION...
Страница 396: ...Si18 201 Wiring Diagrams Appendix 383 FDYM60 03FAV1C...