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4-5-2 Outdoor unit is not powered on – Initial diagnosis(1phase)
1. Check items
1) Is the power supply voltage 220V?
2) Is the AC power connected correctly?
3) Are the LEDs in the main PCB and inverter PCB of the outdoor unit ON?
4) Is the input power voltage of the indoor unit 220V?
5) Is the wired remote controller connected correctly?
2. Check procedure
Turn off the main power switch
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Samsung Electronics
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Troubleshooting
