Samsung AC024BXUPCH - Error Due to High Pressure Switch Open or Compressor down by High Pressure - (E507)

Troubleshooting
4-30 Samsung Electronics
Open the Service Valve
Replace High Pressure switch
Pipe inspection
Replace relevant component
(motor or fan)
Check the relevant EEV or TXV
Connect S-net and Manifold Gauge.
(essential requirement)
No
No
Yes
No
No
Outdoor unit display
( Air Cooled )
Judgment Method • Value of the high pressure switch is detected at 597.4 psi (42kg/ ㎠ ) or more
Cause of problem
<Cooling Operation>
• Service valve locked/Excessive refrigerant
• Outdoor Unit fan motor problem (constrained, defective)
• Outdoor heat exchanger is contaminated
<Heating Operation>
• Service valve locked/Excessive refrigerant
• Indoor Unit fan motor problem (constrained, defective)
• Indoor heat exchanger is contaminated
• Simultaneous operation of Heat-Pump and Furnace
4-2-25. Error due to high pressure switch open or compressor down by high pressure - (E507)
1.
Cause of problem
Yes
Yes
No
Yes
Yes
Are all service valves open?
Are there any blockage inside
the pipe? (filter etc.)
Are the Outdoor Fan
operating normally for the cooling and
the Indoor Fan operating normally for
the heating?
Check the refrigerant amount
Are the Indoor Unit TXV and Outdoor Unit
EEV normally operation
Is the error not reset even though the measured
high pressure is less than 426.7 psi (30kg/
㎠
)?
Auto test mode, Cool or Heat test mode