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Troubleshooting
4-4 Case study for trouble shoots (cont.)
4-4-17 Case study – Pressure sensor open/short
▪ Disconnection or breakdown of relevant sensor.
- E291 : High pressure sensor error
- E296 : Low pressure sensor error
Check sensor connector
problem?
Refrigerant amount
insufficient
voltage between
Pressure pins 3&4 on PBA = 5V
Replace PBA
Samsung Electronics
No
No
No
Yes
Yes
Yes
Fix
Fix
Replace sensor
175
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