Samsung AC024BXUPCH - Comp. down Due to Low Pressure Sensor Protection (E410)

Troubleshooting
Samsung Electronics 4-15
Open the Service Valve
Replace pressure sensor
Pipe inspection
Eliminate suction obstructions
Check the relevant TXV
Replace relevant component
(motor or fan)
Connect S-net and Manifold Gauge.
(essential requirement)
No
No
Yes
Yes
No
No
Outdoor unit display
( Air Cooled )
Judgment Method
• Less than 14.2psi(1kg/cm2) for 3 minutes after 5 minutes after cooling mode compressor on
• Less than 42.7psi(3kg/cm2) for 3 minutes after 10 minutes after cooling mode compressor on
Cause of problem
<Cooling Operation>
• Indoor unit fan motor problem (constrained, defective)
• Indoor unit heat exchanger is contaminated
• Service valve locked
• Obstruction of indoor unit air intake
4-2-9. Comp. down due to low pressure sensor protection (E410)
1.
Cause of problem
Yes
Yes
No
No
Yes
Yes
Are all service valves open?
Is the S-net
estimated value and theManifold Gauge
value in range?
Are there any blockage inside
the pipe? (filter etc.)
Is there any obstruction
to the intake of the indoor unit?
Check the refrigerant amount
Cooling test mode
Are the indoor unit TXV normally operation
Indoor fan operating normaly for the cooling?