Samsung AM036FNMDEH/TK - Page 223

Troubleshooting
4-78 Samsung Electronics
4-4-34 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.
t1JQFJTOPUJOTUBMMFEUPUIFJOEPPSVOJUXJUIBTTJHOFEaddress on MCU
Criteria
Cause of problem
t0DDVSTXIFO.$61*1&JTTFUBTCFJOHVTFEZFUOPUDPOOFDUFEUPBOJOEPPSVOJU
Outdoor unit display
Indoor unit display
MCU BOX #1
MCU PCB
OFF
ON
1 3 7 9 0 0
1
Branch A B C D E
0
F
×(Operation)
◑
(Timer)
◑
(Fan)
◑
(Filter)
×
(Defr ost)