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Troubleshooting
4-105
Samsung Electronics
4-5-46 Low-Pressure Sensor Error (OPEN/SHORT)
(Operation)
(Reservation)
(Blast) ×(Filter) ×(Defrost)
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Indoor Unit Display
Judgment Method
Special Cause
Outdoor Unit Display
■
Low-pressure sensor OPEN/SHORT error determination method
1. Identifies from when power is supplied or 2 minutes after RESET, and only when set is stopped.
2. An OPEN/SHORT error will occur if the input voltage standard range of 0.5V ~ 4.95V is exceeded.
1. Inspection
method
Did the low-pressure
connector get disconnected
from the PCB?
Out of the PCB
low-pressure sensor terminals,
is there voltage between pins 3
and 4 5V?
Replace low-pressure sensor
Is there refrigerant inside
the set? (Please check by connecting the menu
folder gauge to
the service valve)
Refill refrigerant
after vacuum
Replace PCB
No
Please re-inspect after
connecting the connector
to the PCB
No
Yes
Yes
Yes
No
The
▼
mark is the 1st pin on the PCB.
$9;&6+B$BaLQGG
Содержание AVXC2H056EE
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