Troubleshooting
Samsung Electronics 4-91
4-4-47 High Pressure sensor error (Open/Short)
×
(
Operation
)
ስ
(
Reservation
)
ስ
(
Blast
)
ስ
(
Filter
)
×
(
Defrost
)
Disconnection or breakdown of relevant sensor .
Refer to the judgment method below.
Indoorunit display
Judgment Method
Cause of problem
Outdoor unit display
1. High Pr essure sensor Open/Short erro r determination method
1) Identifies from when power is supplied or 2 minutes after RESET, and only when set is stopped.
2) An Open/Short err or will occur if
the input voltage standard range of 0.5V ~ 4.95V is exceeded.
2. Inspection Method
Replace High Pressure sensor
Please re-inspect after connecting
the connector to the PCB
No
Yes
Did the High Pressure
sensor connector get disconnected
from the PCB?
Refill refrigerant after vacuum
No
Yes
Is there refrigerant inside the set?
(Please check by connecting the menu folder gauge
to the service valve)
Replace PCB
No
Yes
Out of the PCB High Pressure
sensor terminals, is there voltage between
pins 3 and 4 5V?
The ف mark is the 1st pin on the PCB.
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