High Pressure Temperature Sensor Error (Open/Short) (Error Code : E291) Low Pressure Temperature Sensor Error (Open/Short) (Error Code : E296) - Samsung AM036TXMDCH Service Manual

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 exceeds 0.5V ~ 4.95V range
Did the high/low pressure
connector get disconnected from
the PCB?
Is there refrigerant inside
the set? (Please check by connecting the
manifold gauge to the service valve)
On the high/
low-pressure sensor terminals of the PCB,
is the value of voltage 5V, between pins
3 and 4?
Replace high/low-pressure sensor
38
Yes
Yes
Yes
No
Please re-inspect after connecting
the connector to the PCB
No
Refill refrigerant after vacuum
No
Refill refrigerant after vacuum
The ▼ mark is the 1st pin on the PCB.
Samsung Electronics