Bosch Dishwasher Error E23

⚡ Quick Answer: The Bosch dishwasher error E23 indicates a malfunction in the drain pump, often resulting in water remaining in the bottom of the unit after a wash cy... ✅ DIY Fixable

What Does Error E23 Mean?

The Bosch dishwasher error E23 indicates a malfunction in the drain pump, often resulting in water remaining in the bottom of the unit after a wash cycle. This issue typically arises from a blockage or fault in the drain pump, preventing proper drainage and causing unusual noises during operation. Addressing this problem promptly is essential to prevent further damage to the appliance.

Common Symptoms:

  • Dishwasher displays E23 during or after a wash cycle
  • Water remains in the bottom of the dishwasher after the cycle
  • Drain cycle does not complete

Possible Causes

  • Blocked or clogged drain pump or drain system (high)

How to Fix Error E23

DIY Fix Basic user troubleshooting for E23 error

  1. Turn off the dishwasher and disconnect power (unplug or breaker).
  2. Inspect and clean the drain filter located at the bottom of the dishwasher.
  3. Check for visible blockages in the drain area, hose access, and filter.
  4. Ensure drain hose is not kinked or obstructed.
  5. Restore power and run a short drain cycle to see if error clears.

Technician Only Technician-level diagnosis and repair

  1. Disconnect dishwasher from power and water supply.
  2. Remove lower front panel to access drain pump.
  3. Inspect and clear debris from the pump and hose; test pump operation.
  4. If pump is faulty, replace with correct Bosch drain pump part.
  5. Verify proper hose routing and connection to sink/garbage disposal.
  6. Test dishwasher for correct drainage after repair.

Parts needed: Drain pump assembly, Drain hose (if damaged), Filter components

🛑 When to Call a Pro:
  • If error persists after basic cleaning and drain checks
  • If drain pump failure is suspected and replacement is required
  • If installation issues cannot be safely corrected

Technical Specifications

wattage 30W
component Drain Pump
resistance 10-30 ohms
part_number 00422693
voltage_rating 120V AC

Common Questions

What does E23 error mean on Bosch dishwasher?

E23 indicates a malfunction in the drain pump, often causing water to remain in the dishwasher after a cycle.

Can I fix Bosch dishwasher E23 error myself?

Yes, you can troubleshoot by cleaning the drain filter and checking for blockages in the drain area.

How much does it cost to fix E23 error?

The estimated repair cost for the E23 error ranges from $100 to $300, depending on parts and labor.

When should I call a technician for E23?

Call a technician if the error persists after basic troubleshooting or if a drain pump replacement is needed.

Sources & References

Data last verified: 2026-01-16

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