Troubleshooting
Samsung Electronics 4-45
4-4-14 MCU branch part setup error – Connect an Indoor unit to a branch part not being used
t*OEPPSVOJUDPOOFDUJPOUPUIFVOVTFECSBODIQBSU
Criteria
Cause of problem
t0DDVSTXIFO.$61*1&JTUVSOFEPGGZFUBOJOEPPSVOJUJTSFHJTUFSFE
Outdoor unit display
Indoor unit display
1. How to check
Check the actual use of the branch part. If it is used, turn on the Dip switch for branch part setup. After completing resetting, press
the outdoor unit's K3 button to reset or turn off to resta
rt.
MCU BOX #1
MCU PCB
OFF
MCU address setup
ON
Indoor unit
Indoor unit address
Branch part use setup
4 4 2 1 5 6
0
Branch A
4
B
C D E
5
F
62
Duct, Cassette (1/2 Way),Console, Celing Cassette (4/Mini4 Way) Wall-mounted (NeoForte)
Operation
Defrost TimerFan Filter/MPI
Operation
Defrost Timer Filter
Operation
TimerTurbo
24℃ 27℃
××◑◑
×
×◑◑×××◑◑×
※ ● : ON ◑ : Flash ×: OFF