
60
9.3.2 Indoor / outdoor units communication diagnosis and solution(E1)
Yes
Yes
Measure Vs, is it moving alternately
between positive value and negative
value?
(Vs is the voltage between S and N of
outdoor unit.)
Yes
Power off, then turn on the unit 5 seconds
later(reconnect the power wire).Is the error
still displaying after several minutes?
No
Yes
Change the outdoor main PCB.
Power on. Is the error extinguished?
Check all the wirings between indoor and
outdoor, indoor main PCB and outdoor main
PCB following the wiring diagram. Are all
the wirings connected correctly?
Is the wiring to the indoor main
PCB connected correctly?
Change the indoor main PCB.
Yes
Change the outdoor main PCB.
No
Is the wiring to the outdoor m a i n
PCB connected correctly?
Power on. Is the error extinguished?
Change the indoor main PCB.
No
Содержание MOC-09CFN1-BS0W
Страница 1: ...9ASUL A1 1211 SERVICE MANUAL MIDEA AIRCONDITIONER DC INVERTER SPLIT WALL MOUNTED TYPE...
Страница 17: ...15 MS9A 18HRDN1 MP0W MS9A 18CRDN1 MS0W MS9A 18HRDN1 MS0W MS9A 24HRDN1 MP0W...
Страница 18: ...16 MS9A 09HRDN1 BQ0W MS9A 12HRDN1 BS0W B...
Страница 19: ...17 MS9A 24CRDN1 MP0W...
Страница 20: ...18 MS9A 24HRDN1 MS0W...
Страница 22: ...20 MOC 12CRDN1 MS0W MOC 12HRFN1 MS0W...
Страница 23: ...21 MOF 18HDN1 MP0W MOF 18CRFN1 MS0W...
Страница 24: ...22 MOF 18HRFN1 MS0W MOG 24HDN1 MP0W...
Страница 25: ...23 MOC 09HFN1 BQ0W MOC 12HFN1 BS0W MOF 24HDN1 MP0W...
Страница 26: ...24 MOG 24HDN1 MS0W MOF 24CDN1 MP0W...
Страница 38: ...36 Use torque wrench to tighten the service port cap to a torque of 18N m Be sure to check for gas leakage...
Страница 58: ...56 E4 Reserved function...
Страница 72: ...70...