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Troubleshooting
4-46
Samsung Electronics
4-4-20 SPI Feedback Error
Indoor unit display
◑
(Operation)
◑
(Timer) ×(Fan)
◑
(Filter) ×(Defrost)
t
SPI defect
Criteria
Cause of problem
t
Check if the output of SPI Feedback is 12V
Outdoor unit display
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
Содержание AM009FN1DCH/AA
Страница 214: ...PCB Diagram and Parts List Samsung Electronics 5 11 5 1 5 Duct type MSP 4 1 1 2 3 5 6 7 1 11 12 13 14 15 16 18 17 8 9 10...
Страница 216: ...PCB Diagram and Parts List Samsung Electronics 5 13 5 1 6 Duct type Super 1 2 3 5 4 6 9 10 11 12 13 14 15 16 7 8...
Страница 218: ...PCB Diagram and Parts List Samsung Electronics 5 15 5 1 7 Celing type 1 2 3 4 5 6 7 19 18 9 10 11 12 17 15 14 13 8...
Страница 224: ...Wiring Diagram Samsung Electronics 6 3 6 1 3 BIG Duct This Document can not be used without Samsung s authorization...
Страница 225: ...Wiring Diagram 6 4 Samsung Electronics 6 1 4 Ceiling This Document can not be used without Samsung s authorization...
Страница 226: ...Wiring Diagram Samsung Electronics 6 5 6 1 5 RAC Neo Forte This Document can not be used without Samsung s authorization...