Troubleshooting
4-113 Samsung Electronics
4-5-54
: COMP. DOWN Due to High Pressure Protection Control
Indoor Unit Display
Special Cause
×(Operation)
(Reservation) (Blast) (Filter) ×(Defrost)
<Cooling>
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t0VUEPPSIFBUFYDIBOHFSJTDPOUBNJOBUFE t'BODPOUSPM443JTGBVMUZ
t4FSWJDFWBMWFMPDLFEFYDFTTJWFSFGSJHFSBOUBNPVOU
<Heating>
t*OEPPSGBONPUPSQSPCMFNDPOTUSBJOFEGBVMUZ t'BONPUPSDBQBDJUPSQSPCMFNPSXJSFJTDVU
t4FSWJDFWBMWFMPDLFEFYDFTTJWFSFGSJHFSBOUBNPVOU
Judgment Method
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Outdoor Unit Display
Is the S-net
estimated value and the Manifold
Gauge value in accordance?
Are the indoor unit and outdoor
unit EEVs normally operating?
Are there any clogs inside the pipe
(e.g. filter)?
Check the refrigerant amount.
Are the outdoor
fan operating normally for the
air conditioning and the indoor fan operating
normally for the heating?
Test Operation
Please open the service valve.
Change high pressure sensor.
Check relevant EEV.
Pipe Inspection
Change relevant component
(motor or fan).
Yes
Yes
Yes
No
Yes
Are all service valves open?
Connect S-net and Manifold Gauge
(essential requirement).
No
No
No
No
No
1. Inspection Method
$9;&6+B$BaLQGG