![Samsung AM056FN2DEH Series Скачать руководство пользователя страница 497](http://html1.mh-extra.com/html/samsung/am056fn2deh-series/am056fn2deh-series_service-manual_4744774497.webp)
Troubleshooting
Samsung Electronics
497
4-4-78 Overvoltage / Low voltage error
Outdoor unit display
(INVERTER1 PCB)
(INVERTER2 PCB)
Judgment Method
∙ N-phase wiring error and EMI Fuse short.
∙ DC-Link Overvoltage / Low voltage occurs.
Cause of problem
∙ Check the input wiring
∙ EMI Fuse short
Power Off
Yes
Yes
380V is the voltage
between terminal blocks
R, S, T wire?
Power R, S, T, N wire voltage check and restart it.
Replace Inverter PCB and then restart it.
* Check the 3-phase sensing circuit part.
Replace Fuse, if the rectifier diode of
the inverter PCB is normal.
No
No
Did the EMI PCB Fuse is short?
1. Cause of problem
Содержание AM056FN2DEH Series
Страница 526: ...PCB Diagram and Parts List 526 Samsung Electronics 5 1 4 360 cassette MAIN PCB 1 2 3 4 5 6 7 8 9 10 11 12 13...
Страница 540: ...PCB Diagram and Parts List 540 Samsung Electronics 5 1 11 Duct type HSP BLDC PCB AM112 128 140FNHDEH 1 2 3 4...
Страница 593: ...PCB Diagram and Parts List Samsung Electronics 593 OAP DUCT AM220 280 NEPEH EU Cont BLDC Driver PCB cont 6 5 4 3 2 1...
Страница 643: ...Wiring Diagram Samsung Electronics 643 AMSSSMNFDEHS This Document can not be used without Samsung s authorization...
Страница 654: ...654 Samsung Electronics 6 1 27 OAP Duct AM140MNEPEH EU This Document can not be used without Samsung s authorization...
Страница 655: ...Samsung Electronics 655 6 1 28 OAP Duct AM140MNEPEH EU This Document can not be used without Samsung s authorization...
Страница 656: ...656 Samsung Electronics 6 1 29 OAP DUCT AM220 280 NEPEH EU This Document can not be used without Samsung s authorization...
Страница 657: ...Samsung Electronics 657 6 1 30 V AHU AMSSSJNZDCHS This Document can not be used without Samsung s authorization...
Страница 660: ...660 Samsung Electronics AM280JNPDKH TK AM280RNPDKH EU This Document can not be used without Samsung s authorization...