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Troubleshooting
4-91
Samsung Electronics
4-5-32 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.
t1JQFJTOPUJOTUBMMFEUPUIFJOEPPSVOJUXJUIBTTJHOFE
address on MCU
Criteria
Cause of problem
t0DDVSTXIFO.$61*1&JTTFUBTCFJOHVTFEZFUOPUDPOOFDUFEUPBOJOEPPSVOJU
Outdoor unit display
Indoor unit display
MC
U
BO
X
#
1
MCU
PCB
O
FF
ON
1
3
7
9
0
0
1
Bran
c
h
A
B
C
D
E
0
F
(Operation)
◑
(Timer)
◑
(Fan)
◑
(Filter)
(Defrost)
$9;&6+B$BaLQGG
Summary of Contents for AVXC2H056EE
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