Error Code PE
Pressure Sensor Error — water level sensor fault
Moderate
Address soon - your appliance may not work properly
Also displayed as: PE
What This Means
Pressure sensor connector disconnected; Pressure sensor resistance out of range (should be 21-23 ohms +/-10%, pins 1 to 3); Air chamber and tube clogged
How to Fix
- 1
Step 1: Is PE displayed? Yes — proceed.
- 2
Step 2: Is the connector connected to pressure sensor disconnected or disassembled? Yes — reconnect or repair the connector (BL6). No — proceed.
- 3
Step 3: Is the resistance of the pressure sensor out of range? (Normal: 21-23 ohms +/-10%, pin 1 to pin 3). Yes — replace the pressure switch. No — proceed.
- 4
Step 4: Is the AIR CHAMBER and the tube clogged? Yes — fix the air chamber and remove the foreign material. No — proceed.
- 5
Step 5: Replace the MAIN PCB assembly.
This Error Applies To
LG WT7405CW Series Washers (2018) (2018–present)
Related Error Codes
Foreign Object in Wash Plate — object caught between wash plate and inner basket
Overflow Error — water level too high
Unbalance Error — load is unbalanced during spin
Door Error — lid/door not detected as closed and locked
Door Lock Error — lid failed to lock
Locked Motor Error — motor stalled or failed to rotate
Inlet Error — water not filling properly
Drain Error — water not draining within expected time