Bosch Dishwasher Error E22

⚡ Quick Answer: The Bosch dishwasher error E22 indicates a malfunction in the drain pump, often due to a blocked filter that prevents proper water drainage. Symptoms ... ✅ DIY Fixable

What Does Error E22 Mean?

The Bosch dishwasher error E22 indicates a malfunction in the drain pump, often due to a blocked filter that prevents proper water drainage. Symptoms include standing water at the bottom of the dishwasher and incomplete wash cycles. To resolve the issue, check for blockages in the filter and drain hose, as well as inspect the drain pump for obstructions.

Common Symptoms:

  • Error displayed at end of cycle or during draining
  • Standing water in bottom of dishwasher
  • Incomplete wash cycles due to water not draining

Possible Causes

  • Clogged or blocked filter (high)
  • Drain hose obstruction or kinks (medium)
  • Blocked or impaired drain pump (medium)

How to Fix Error E22

DIY Fix Clean filter and check for basic blockages

  1. Turn off and disconnect power to dishwasher
  2. Remove lower rack to access filter
  3. Remove filter assembly and rinse under warm running water
  4. Use soft brush to remove food debris
  5. Reinstall filter making sure it seats correctly

DIY Fix Inspect drain hose for kinks or blockages

  1. Disconnect dishwasher from power and water supply
  2. Locate drain hose (back of dishwasher)
  3. Check if hose is bent or crushed
  4. If accessible, flush hose with water to clear debris
  5. Reconnect hose and test dishwasher

Technician Only Check and clear drain pump and internal drainage components

  1. Disconnect appliance from mains power
  2. Remove access panels to reach drain pump
  3. Inspect pump inlet and impeller for debris or foreign objects
  4. Clear any obstructions and verify impeller spins freely
  5. Reassemble and test dishwasher drainage

Parts needed: drain pump, pump impeller, seals/gaskets

🛑 When to Call a Pro:
  • If error persists after cleaning filters, hoses, and basic checks
  • If unusual noises or electrical faults occur during drainage attempts

Technical Specifications

wattage 30W
component Drain Pump Assembly
resistance 10-20 ohms
part_number 00421136
voltage_rating 120V AC

Common Questions

What does E22 error mean on bosch dishwasher?

E22 error indicates a drain pump malfunction, often caused by a blocked filter, resulting in standing water and incomplete cycles.

Can I fix bosch dishwasher E22 error myself?

Yes, you can clean the filter and check the drain hose for blockages to resolve the E22 error.

How much does it cost to fix E22 error?

Repair costs for the E22 error range from $100 to $300, depending on the region and parts needed.

When should I call a technician for E22?

Call a technician if the error persists after basic cleaning or if you hear unusual noises during drainage.

Sources & References

Data last verified: 2026-01-16

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