Troubleshooting
9-70Samsung Electronics
■
: MCU confluence kit connection error
Outdoor unit display
Indoor unit display
Judgment method
Causes - Indoor unit connected with confluence kit without continuity
Check the error of outdoor unit display part
and find a MCU occurring error.
Indoor unit connected to
MCU through confluence kit.
Indoor unit connected with
confluence kit with continuity.
Reset correctly confluence kit
DIP switch and rotary switch of
MCU and restart.
Connected confluence kit
with contunity.
Reset correctly confluence kit
DIP switch and rotary switch
of MCU and restart.
If the error is occurred after restarting with a
change of confluence kit setup DIP switch of MCU and
address setup, replace MCU PCB.
No
No
Yes
Yes
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