Testing Operations - Samsung UH026EAV Installation Manual

Testing operations

22
E-
1 Check the power supply between the outdoor unit and the auxiliary circuit
breaker.
N Single phase power supply: L, N
2 Check the indoor unit.
2-1 Check that you have connected the power and communication
cables correctly. (If the power cable and communication cables one
mixed up or connected incorrectly, the PCB will be damaged.)
2-2 Check the thermistor sensor, drain pump/hose, and display are
connected correctly.
3 Press K1 on the outdoor unit PCB.