Samsung AVXCSH023/032/040CE, Service Manual

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Troubleshooting
4-44 Samsung Electronics
×
(Operation) ◑ (Timer) ◑ (Fan) ◑( Filter) × (Defrost)
• Indoor heat exchanger’s EVA IN piping sensor has been dislocated
• Refer to how to determine below
Indoor unit display
Criteria
Cause of problem
Outdoor unit display
x x x (
x x x
:
The address of the error occurred indoor unit)
4-3-6 Indoor Heat Exchanger’s EVA OUT sensor dislocation error (Open/Short)
1. How to diagnose
1) During Cooling Operation
Tcond, out - Tair, out > 37°F/3°C OK
Tair, in - Teva, out > 39°F/4°C NO
Tair, in - Teva, out > 39°F/4°C OK
Compressor in operation &
Indoor unit operation & Thermo On
OK
Error details
Indoor heat exchanger’s
EVA IN sensor dislocation error
2) During Heating operation
Average high pressure > 2.45MPa OK
Average low pressure > 0.83MPa OK
Tcond, out - Tair, out ≥ 37°F /3°C NO
Tair, in - Teva, out ≥ 35.6°F /2°C NO
Tcond, out - Tair, out < 28.4°F /-2°C OK
Compressor in operation &
Indoor unit operation & Thermo On
OK
Error details
Indoor heat exchanger’s
EVA IN sensor dislocation error
2. How to check
Check if an Indoor heat exchanger’s EVA OUT sensor has been dislocated then is correct after assembling.