Outdoor Unit Pipe Inspection Error - Samsung AM045NN4DEH Series Service Manual

4-4-23 Outdoor Unit Pipe Inspection Error

Outdoor unit display
Indoor unit display
Criteria • Refer to the judgment method below
Cause of problem • 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.
Samsung Electronics
: 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.
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Troubleshooting
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