Troubleshooting
360
Samsung Electronics
4-4-36 MCU branch part setup error – Set as being used without connection to an Indoor unit
1. How to check
Adjust the Dip switch that sets up the use of MCU branch part to ‘Not-Used'. After completing resetting, press the outdoor unit's
K3 button to reset or turn off to restart.
MCU BOX #1
MCU PCB
OFF
ON
1
3
7
9
0
0
1
Branch A
B
C
D
E
0
F
Outdoor unit display
Indoor unit display
Criteria
• Occurs when MCU PIPE is set as being used, yet not connected to an indoor unit
Cause of problem
• Pipe is not installed to the indoor unit with assigned address on MCU
Содержание AE022MNADEH/EU
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