Troubleshooting for BP Unit
SiEBE18-526
290
Troubleshooting
6.4
Transmission Error between Indoor Unit and BP Unit
Outdoor Unit
Indication
U4
Method of
Malfunction
Detection
The data received from the BP unit in indoor unit-BP unit signal transmission is checked
whether it is normal.
Malfunction
Decision
Conditions
When the data sent from the BP unit cannot be received normally, or when the content of the
data is abnormal.
Supposed
Causes
Faulty BP unit PCB.
Faulty indoor unit PCB.
Indoor unit-BP unit signal transmission error due to wiring error.
Indoor unit-BP unit signal transmission error due to disturbed power supply waveform.
Indoor unit-BP unit signal transmission error due to breaking of wire in the connection wires
between the indoor and BP units (wire No. 2).
Содержание Super Multi Plus D-Series
Страница 1: ...SiEBE18 526 D Series Service Manual Applied Models zSuper Multi Plus Heat Pump...
Страница 12: ...SiEBE18 526 List of Functions 1 Part 1 List of Functions 1 List of Functions 2...
Страница 63: ...Refrigerant Flow for Each Operation Mode SiEBE18 526 52 Refrigerant Circuit...
Страница 167: ...Instruction SiEBE18 526 156 System Configuration FDXS25 35C CDXS50 60C 3 6 8 9 10 7 1 4 5 2 Names of parts Indoor Unit...
Страница 249: ...Instruction SiEBE18 526 238 System Configuration...
Страница 395: ...2 5 DS1 3 DS1 4 BP Unit ON OFF Connect BP unit Not connect BP unit Do not change the factory setting Not Used...