Troubleshooting
Samsung Electronics
157
4-4-4 Vacuum
Operation to facilitate vacuum to open the valve after the Outdoor Unit repair.
There are several EEV & solenoid valve so to secure perfect vacuum this function is required.
K1 button
Display on 7-Segment
Function
7times
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Vacuuming( Outdoor unit address 1)
8times
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Vacuuming( Outdoor unit address 2)
9times
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Vacuuming( Outdoor unit address 3)
10times
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Vacuuming( Outdoor unit address 4)
11times
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Vacuuming(All outdoor units)
How to lnitiate
K1 Tact Swithc 7 times~11 times
Compressor
OFF
Indoor Unit/Outdoor Unit
OFF
4Wasy Valve
OFF
Valve
Open all valves maximum
Etc.
If not turn off the vacuum mode, the start of normal operation is prohibited.
4-4 Case study for trouble shoots (cont.)