Samsung AM072BXV Series - Case Study - Pressure Sensor Open;Short

Troubleshooting
Samsung Electronics 175
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
Replace PBA
Fix
Yes
No
Check sensor connector
problem?
Fix
Replace sensor
Yes
Yes
No
No
Refrigerant amount
insufficient
voltage between
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4-4 Case study for trouble shoots (cont.)