LG · Washer Moderate

PE — Water Level Sensor Fault

PE (Pressure Error) means the water level (pressure) sensor is reading out of range, so the washer cannot tell how full the tub is.

Keep using it?
Yes, with caution
DIY difficulty
Moderate
Typical cost
$25-55
Verified against
lg.com ↗

The fix

Pressure sensor / water level sensor

Pressure sensor error

$25-55 moderate difficulty 45 min Tools: screwdriver, nut driver

Diagnose first: Sensor itself fails, or the clear air hose from tub to sensor is kinked, clogged with detergent residue, or off.

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How to fix it

  1. Unplug the washer and locate the pressure sensor (usually top of the tub).
  2. Clear the sensor hose of clogs.
  3. Replace the sensor if it remains out of range.

Why it happens

Typical signs: Washer over- or under-fills · Cycle stops · PE on the display

  • Clogged pressure sensor hose The small hose to the sensor traps water/debris.
  • Faulty pressure sensor The sensor itself has failed.

More LG washer codes

AE AE — Leak / auto shut-off (base pan water detected) CE CE — Overcurrent Error CL CL — Child Lock Is On dE dE / dE1 / dE2 Error — Door Will Not Lock dE1 dE1 — Door not fully closed dE2 dE2 — Door closed but won't lock

All LG codes → All washer codes →

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: lg.com.