Troubleshooting
Samsung Electronics 4-55
4-4-21 Outdoor Unit Pipe Inspection Error
1. Judgment Method
● Check if the indoor address settings are the same for the address of the indoor units connected to each port of the MCU and the
address of the indoor units of the relevant MCU ports.
● Check if the indoor unit usage setup switch is turned on for the MCU port connected to the indoor unit.
Outdoor Unit Display
: No change of EVA IN or wrong EVAN IN change during pipe inspection.
: No change of EVA OUT or wrong EVA OUT change during pipe inspection.
Indoor Unit Display -
Judgment Method • Refer to the judgment method below
Special Cause • The liquid pipe/gas pipe of the indoor unit is not correctly connected to the port set in MCU.
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