Samsung DVM S ECO BIG Series Service Manual page 66

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