Spi Feedback Error - Samsung AM006JNFDCH/AA Service Manual

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4-4-20 SPI Feedback Error

Outdoor unit display

Indoor unit display

Cause of problem

1. How to check

indoor unit separated from PCB?

Can you measure 12V from

#1, #4 power with SPI connector

Samsung Electronics

◑(Operation)

• Check if the output of SPI Feedback is 12V

• SPI defect

Is the SPI connector of an

being connected?

Replace Main PCB

Connect the connector to PCB

and reoperate

Troubleshooting

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