Error Code PE
Pressure Sensor Error — water level sensor malfunction
Moderate
Address soon - your appliance may not work properly
What This Means
Pressure sensor connector (BL6) disconnected; Pressure sensor resistance out of range; Air chamber or pressure tube clogged; Failed PCBA
How to Fix
- 1
1. Confirm PE is displayed.
- 2
2. Check that the connector to the pressure sensor is properly connected. Reconnect or repair if disconnected.
- 3
3. Measure pressure sensor resistance between pin 1 and pin 3. Specification: 21–23 Ω ± 10%. If out of range, replace the pressure switch.
- 4
4. Inspect the air chamber and pressure tube for foreign material or clogging. Clean if clogged.
- 5
5. If connector, resistance, and air chamber are all OK, replace the main PCB assembly.
This Error Applies To
LG WT7800CW Series Washers (2019) (2019–present)
Related Error Codes
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