Beko Dishwasher Error P4

⚡ Quick Answer: The Beko dishwasher P4 error code indicates a turbidity sensor issue, which affects the drainage system and results in poor water expulsion. This may ... ✅ DIY Fixable

What Does Error P4 Mean?

The Beko dishwasher P4 error code indicates a turbidity sensor issue, which affects the drainage system and results in poor water expulsion. This may cause the dishwasher to stop or pause during cycles, leading to inadequate cleaning performance. It's essential to check for any obstructions or debris around the turbidity sensor to resolve this issue effectively.

Common Symptoms:

  • Error code P4 displayed on control panel
  • Dishwasher cycle may stop or pause
  • Poor cleaning performance or repeated cycles

Possible Causes

  • Turbidity/clarity sensor malfunction or obstruction (medium)

How to Fix Error P4

DIY Fix Basic checks for turbidity sensor conditions

  1. Power off the dishwasher and unplug from power.
  2. Check for visible debris or buildup around the bottom interior where the turbidity sensor is located.
  3. Clean food debris and residue from the sump and sensor area gently with a cloth.
  4. Restart the dishwasher and attempt a cycle to see if error clears.

Technician Only Inspect and test turbidity sensor

  1. Access the turbidity sensor assembly per service manual procedures.
  2. Test the turbidity sensor with multimeter or service diagnostic tools to verify functionality.
  3. Check wiring harness and connections to control board for continuity and secure connection.
  4. Replace the turbidity sensor if confirmed faulty.

Parts needed: Turbidity/clarity sensor, wiring harness connectors

🛑 When to Call a Pro:
  • Error persists after basic cleaning and reset
  • Sensor replacement appears required
  • Other faults appear simultaneously

Technical Specifications

wattage 50W
component Drain Pump
resistance 30-50 ohms
part_number Beko 1740000200
voltage_rating 230V AC

Common Questions

What does P4 error mean on Beko dishwasher?

P4 error indicates a turbidity sensor issue affecting drainage and cleaning performance.

Can I fix Beko dishwasher P4 error myself?

Yes, check for debris around the turbidity sensor and clean it gently.

How much does it cost to fix P4 error?

Repair costs typically range from $50 to $200, depending on parts and labor.

When should I call a technician for P4?

Call a technician if the error persists after cleaning or if sensor replacement is needed.

Sources & References

Data last verified: 2026-01-14

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