Troubleshooting
Samsung Electronics 429
4-4-8
Simultaneous Indoor Heat Exchanger's EVA IN, OUT sensor dislocation error (Open/Short)
1. How to diagnose
1) During Cooling Operation
Tcond, out - Tair, out > 3°C OK
Tair, in - Teva, out > 4°C NO
Tair, in - Teva, out > 4°C NO
Compressor in operation &
Indoor unit operation & Thermo On
OK
Error details
Simultaneous indoor heat exchanger's
EVA IN, OUT sensor dislocation error
2) During Heating operation
Average high pressure > 25kg/㎠ OK
Average low pressure > 8.2kg/㎠ OK
Teva, out - Tair, out ≥ 3°C NO
Tair, in - Teva, out ≥ 2°C NO
Tcond, out - Tair, out < -2°C OK
Compressor in operation &
Indoor unit operation & Thermo On
OK
Error details
Simultaneous Indoor heat exchanger's
EVA IN, OUT sensor dislocation error
2. How to check
Check if an Indoor heat exchanger's EVA IN, OUT sensor has been dislocated then is correct after assembling.
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