Samsung Electronics 57
3-22. Compressor operation stop due to low pressure protection control or
refrigerant leakage. (E-410) (cont.)
Auto Trial Operation
Are all service valves open?
Is the S -net
estimated value and the Manifold Gauge
value in range
Are the Indoor Unit and
Outdoor Unit EEV normally operating?
Are there any blockage
inside the pipe? (lter etc.)
Is there any
leakage in the Liquid
Pipe Valve or the discharge check
valve of the not-go-end Outdoor
Unit when only some Outdoor
Units are operating?
Connect S-net and Manifold Gauge.
(essential requirement)
Open the Service Valve.
Replace Low Pressure sensor.
Check the relevant EEV.
Pipe inspection.
Replace Low Pressure sensor.
Yes
No
Yes
Yes
No
No
Yes
No
No
Check the refrigerant amount.
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