
Troubleshooting
346
Samsung Electronics
4-4-22 SPI Feedback Error
1. How to check
예
Is the SPI connector of an
indoor unit separated from PCB?
Connect the connector to PCB
and reoperate
Yes
No
Replace Main PCB
Can you measure 12V from
#1, #4 power with SPI connector
being connected?
Replace SPI
No
Yes
#1
#4
Outdoor unit display
Indoor unit display
◑
(Operation)
◑
(Timer) ×(Fan)
◑
(Filter) ×(Defrost)
Criteria
• Check if the output of SPI Feedback is 12V
Cause of problem
• SPI defect
Содержание AM017HN1DEH/EU
Страница 427: ...PCB Diagram and Parts List 430 Samsung Electronics 5 1 4 360 cassette MAIN PCB 1 2 3 4 5 6 7 8 9 10 11 12 13...
Страница 441: ...PCB Diagram and Parts List 444 Samsung Electronics 5 1 11 Duct type HSP BLDC PCB AM112 128 140FNHDEH6 1 2 3 4...
Страница 485: ...PCB Diagram and Parts List 488 Samsung Electronics OAP DUCT AM220 280 NEPEH EU Cont BLDC Driver PCB cont 6 5 4 3 2 1...
Страница 494: ...PCB Diagram and Parts List Samsung Electronics 497 1 2 3 4 5 6 7 10 9 8 STAND Cont Main PCB AM140JNPDKH TK...
Страница 531: ...Wiring Diagram 534 Samsung Electronics AM666MNFDEH6 This Document can not be used without Samsung s authorization...
Страница 539: ...542 Samsung Electronics 6 1 26 OAP Duct AM140MNEPEH EU This Document can not be used without Samsung s authorization...
Страница 540: ...Samsung Electronics 543 6 1 27 OAP Duct AM140MNEPEH EU This Document can not be used without Samsung s authorization...
Страница 541: ...544 Samsung Electronics 6 1 28 OAP DUCT AM220 280 NEPEH EU This Document can not be used without Samsung s authorization...
Страница 542: ...Samsung Electronics 545 6 1 29 V AHU AM666JNZDCH6 This Document can not be used without Samsung s authorization...
Страница 543: ...546 Samsung Electronics 6 1 30 Stand AM280JNPDKH TK This Document can not be used without Samsung s authorization...
Страница 544: ...Samsung Electronics 547 This Document can not be used without Samsung s authorization AM140JNPDKH TK...