Error Code Explained
What Does the Samsung PE Error Code Mean?
The PE error code on a Samsung washer indicates a pressure sensor (water level sensor) fault — specifically that the sensor reading has gone outside the valid pressure range or that the sensor cannot be calibrated at the start of the cycle. PE is closely related to the 1E error but is more specifically associated with the sensor's pressure reading being out of specification rather than a complete communication failure.
PE halts the cycle to prevent overfilling or incorrect wash levels that could result from an inaccurate pressure reading.
Root Causes
Common Causes of the Samsung PE Error Code
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1Blocked Pressure HoseThe small rubber hose between the tub and the pressure sensor is blocked with detergent residue, preventing accurate pressure transmission to the sensor.
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2Failed Pressure SensorThe pressure sensor has drifted out of calibration or failed, producing readings outside the board's expected range.
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3Water in the Pressure HoseWater has entered the pressure hose (which should carry only air), disrupting the pressure transmission to the sensor.
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4Wiring Fault to Pressure SensorA loose or damaged connector on the pressure sensor wiring harness is causing an incorrect signal.
Step-by-Step Guide
How to Troubleshoot the PE Error Code
Safety First: Always disconnect the Washer from power before inspecting any internal components. Do not attempt electrical repairs. If in doubt, call a certified technician.
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1Power resetUnplug the washer for 5 minutes. The washer re-calibrates the pressure sensor on startup — a reset may resolve a transient calibration fault.
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2Inspect and clear the pressure hoseRemove the top panel. Locate the rubber pressure hose connecting the tub to the sensor. Disconnect both ends and blow through it to confirm it is clear and dry. Reconnect firmly.
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3Drain any water from the hoseIf water has entered the hose, hold the hose vertically and allow it to drain completely before reconnecting.
Professional Service
When to Call a Samsung Technician
If the pressure hose is clear and correctly seated but PE persists, the pressure sensor requires replacement. This is an internal repair requiring panel removal.
FAQ
Frequently Asked Questions — Samsung PE
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They are related — both involve the pressure/water level sensor. 1E indicates a sensor communication fault, while PE specifically indicates the sensor reading is outside the valid pressure range. The diagnostic steps and repairs are the same.
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Not directly — leveling affects balance errors (UB/UE), not the pressure sensor. However, if the washer is severely tilted, water distribution in the tub can create unusual pressure readings. Ensure the washer is level before diagnosing PE.
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