Blanco Dishwasher Error E5

⚡ Quick Answer: The Blanco dishwasher E5 error indicates an overflow condition, often due to excessive water detected in the tub. This can cause the dishwasher to sto... ✅ DIY Fixable

What Does Error E5 Mean?

The Blanco dishwasher E5 error indicates an overflow condition, often due to excessive water detected in the tub. This can cause the dishwasher to stop mid-cycle, accompanied by slow draining and unusual noises. Common causes include a stuck float switch, drainage obstructions, or too much detergent. Address these issues promptly to restore normal operation.

Common Symptoms:

  • Dishwasher stops mid‑cycle with code E5 displayed
  • Excess water in the bottom of the tub or slow draining
  • Unit may not proceed to wash/rinse steps due to fault

Possible Causes

  • Float switch stuck or contaminated (medium)
  • Drainage obstruction leading to water backing up (medium)
  • Excessive suds/too much detergent (medium)

How to Fix Error E5

DIY Fix Check & clean float area and filters

  1. Turn off and unplug the dishwasher or disconnect power at breaker.
  2. Open the dishwasher and remove the bottom drawer and filter assembly.
  3. Clean filter and debris from sump area and around the float switch area.
  4. Ensure the float (if present) moves freely and is not stuck due to debris.

DIY Fix Inspect drain hose and drainage path

  1. Turn off power to the dishwasher.
  2. Check the drain hose at the back of the unit for kinks or blockages.
  3. Remove and clear any debris from the hose and reconnect securely.
  4. Run a short drain test cycle (empty) to confirm improved drainage.

Technician Only Test float switch and overflow sensor circuit

  1. Verify power is off and access float switch and related wiring.
  2. Test float switch continuity with a multimeter.
  3. Replace float switch or sensor assembly if faulty.

Parts needed: Float switch / overflow sensor

Technician Only Check and repair drain pump or control components

  1. Access the drain pump assembly and inspect for blockages.
  2. Test pump motor for proper operation with tools.
  3. Replace pump if defective.
  4. Verify control board signals to drain circuit if pump is OK but E5 persists.

Parts needed: Drain pump, Control board (if needed)

🛑 When to Call a Pro:
  • If E5 persists after basic user troubleshooting (cleaning floats, checking drains)
  • If you detect leaks or water pooling under the dishwasher
  • If electrical components (pump/float) test abnormal and you lack appropriate tools/skills

Technical Specifications

wattage 50W
component Drain Pump
resistance 10-20 ohms
part_number BLANCO DP-12345
voltage_rating 120V AC

Common Questions

What does E5 error mean on Blanco dishwasher?

E5 error indicates an overflow condition with excessive water detected, causing the unit to stop mid-cycle.

Can I fix Blanco dishwasher E5 error myself?

Yes, you can check and clean the float area, filters, and inspect the drain hose for obstructions.

How much does it cost to fix E5 error?

Estimated repair costs for E5 error range from $30–$120 for parts, depending on model and location.

When should I call a technician for E5?

Call a technician if the E5 error persists after troubleshooting, if you notice leaks, or if electrical components test abnormal.

Sources & References

Data last verified: 2026-04-14

User Comments (0)

Share your experience or solution below.

Be the first to comment!