Indoor Heat Exchanger's Eva Out Sensor Dislocation Error (Open/Short) - Samsung AVXCSH023/032/040CE Service Manual

Troubleshooting

4-4-5 Indoor Heat Exchanger's EVA OUT sensor dislocation error (Open/Short)

Outdoor unit display
×(Operation)
Indoor unit display
• Refer to how to determine below
Criteria
• Indoor heat exchanger's EVA IN piping sensor has been dislocated
Cause of problem
1. How to diagnose
1) During Cooling Operation
Tcond, out - Tair, out > 3°C
Tair, in - Teva, out > 4°C
Tair, in - Teva, out > 4°C
Compressor in operation &
Indoor unit operation & Thermo On
Error details
2) During Heating operation
Average high pressure > 25kg/cm2
Tcond, out - Tair, out ≥ 3°C
Tair, in - Teva, out ≥ 2°C
Tcond, out - Tair, out < -2°C
Compressor in operation &
Indoor unit operation & Thermo On
Error details
2. How to check
Check if an Indoor heat exchanger's EVA OUT sensor has been dislocated then is correct after assembling.
4-101
x x x ( x x x : The address of the error occurred indoor unit)
(Timer) (Fan) (Filter) ×(Defrost)
Indoor heat exchanger's
EVA IN sensor dislocation error
Indoor heat exchanger's
EVA IN sensor dislocation error
OK
NO
OK
OK
OK
OK
NO
OK
OK
Samsung Electronics