Understanding Common Dishwasher Error Codes: A Complete Troubleshooting Guide

Dishwasher error codes can be confusing and frustrating when they appear unexpectedly. This comprehensive guide will help you understand what these codes mean and how to resolve common issues quickly.

Common Error Codes by Brand

Bosch Dishwasher Error Codes

  • E15: Water in the base tray - Check for proper drainage and clean filters
  • E22: Filter system clogged - Clean filters and check drainage
  • E24: Drain pump blocked or drain hose kinked - Clear blockages

Whirlpool Dishwasher Error Codes

  • F1-E1: Water temperature sensor failure - May require professional repair
  • F2-E2: Control board malfunction - Check connections or replace board
  • F7-E1: Heating circuit error - Verify heating element functionality

General Troubleshooting Steps

  1. Reset your dishwasher by disconnecting power for 5 minutes
  2. Clean filters and spray arms thoroughly
  3. Check water supply and drain hoses for kinks or blockages
  4. Verify door latch is functioning properly
  5. Ensure proper water temperature (120-150°F)

Preventive Maintenance Tips

Monthly Maintenance Checklist

  • Clean filter system thoroughly
  • Inspect spray arms for debris
  • Check door seal integrity
  • Clean door edges and gaskets
  • Run empty hot water cycle with cleaner

When to Call a Professional

While many dishwasher issues can be resolved at home, certain situations require professional attention:

  • Electrical issues or burning smells
  • Persistent error codes after troubleshooting
  • Water leaks from non-visible areas
  • Control panel malfunctions
  • Heating element failures

Quick Reference Guide

Symptom Common Cause Solution
No Power Circuit breaker/fuse Check electrical panel
Poor Cleaning Clogged spray arms Clean spray arms
Not Draining Blocked drain hose Clear blockage