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Main checking points:
ƽ
ƽ
If the indoor mainboard or outdoor main board is broken;
If the connection wire between the indoor unit and outdoor unit is connected well, if the wires inside the unit is connected well;
Flow chart:
Eliminate the malfunction
End
Communication malfunction of some
indoor units
De-energize, check the connection
wire of indoor and outdoor unit and
the wire of the eletric box is
connected correctly
no
no
no
Connected correctly
Reconnect according to
the wiring diagram
yes
yes
yes
De-energize, change the communication wire of the well-
communicated indoor unit and malfunction indoor unit,
then energize the unit and wait for 3min
The malfunction indoor unit
resumes normal
Replace outdoor
mainboard
Replace the mainboard of the
malfunction indoor unit
Содержание QSFMI-09A
Страница 1: ...MODELS QSFMI 09A QSFMI 12A QSFMI 18A ...
Страница 2: ...ON OFF MODE FAN CLOCK TIMER ON X FAN TEMP TIMER OFF TURBO SLEEP LIGHT QSFMI 09A QSFMI 12A QSFMI 18A ...
Страница 3: ......
Страница 4: ...QSFMI 09A INDOOR MODEL NUMBER QSFMI 09A ...
Страница 5: ...QSFMI 12A Indoor Model Number QSFMI 12A ...
Страница 6: ...QSFMI 18A Indoor Model Number QSFMI 18A ...
Страница 8: ......
Страница 9: ...ĭ ĭ ĭ 3 1 5 ĭ QSFMI 09 46 0 46 0 46 0 46 0 46 0 ...
Страница 12: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 QSFMI 09A QSFMI 12A ...
Страница 13: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 QSFMI 18A ...
Страница 15: ...QSFMI 09A QSFMI 12A ...
Страница 17: ...QSFMI 18A ...