Troubleshooting
4-24 Samsung Electronics
■ Refrigerant leakage or error on low pressure sensor (Short or open). (E-296)
Outdoor unit Display E-296
Indoor unit Display
Duct, Cassette (1 / 2Way), Console, Ceiling
Operation Defrost Timer Fan Filter / MPI
◑
×
×
◑
×
Cassette (4Way / Mini 4Way)
Operation Defrost Timer Filter
◑
×
◑
×
Duct, Cassette (1/2 Way), Console, Ceiling
Operation Timer Turbo 24°C 27°C
◑
×
×
◑
×
※ ●
: ON
◑
: Flash ×: OFF
Judgement Method •Referthenextpage
Cause of problem •Disconnectionorbreakdownofrelevantsensor.
Did the Low Pressure
sensor connector
get disconnected from
the PCB?
Please re -inspect after connecting the connector
to the PCB
Yes
No
Is there refrigerant
inside the set ? ( Please
check by connecting
the manifold gage
to the service valve)
Refill refrigerant after vacuum
No
Yes
Out of the PCB Low
Pressure sensor
terminals, is there
voltage between
pins 3 and 4 5V?
Replace PCB
No
Replace Low Pressure sensor
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