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Troubleshooting
4-4-21 Outdoor Unit Pipe Inspection Error
Outdoor Unit Display
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.
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.
4-64
: 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.
Samsung Electronics
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Troubleshooting
