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Thermador·Dishwashermedium severity
Thermador Dishwasher Error Code E22
Filter / sump screen blocked
Common Causes
- 1Food soil packed into the filter
- 2Fine micro-screen clogged
- 3Filter not cleaned on a regular schedule
Step-by-Step Troubleshooting
- 1
Lift out the lower rack and twist the cylindrical Thermador filter counter-clockwise to release it from the sump well
- 2
Separate the coarse cup, the flat fine screen, and the micro membrane, then flush all three under running water
- 3
Work a soft brush over the micro membrane rather than an abrasive pad, which would tear the fine mesh
- 4
Inspect the filter seat in the sump for a cracked housing that would let soil bypass the screen and re-trigger the fault
Pro Diagnostic Tip
The micro membrane is the piece owners most often skip when rinsing the filter. Packed soil there degrades wash quality long before E22 posts, so a monthly filter clean keeps both the code and cloudy results away.
You Might Also Notice
- •Dishes still soiled after a full program
- •Standing water left in the tub floor
- •Slow drainage between phases
- •Odor building inside the cabinet
Parts, Cost & Difficulty
Repair Difficulty
Easy — DIY FriendlyEstimated Repair Cost
$20–$110
Parts + labor. Free diagnosis with repair.
Parts That May Need Replacement
Multi-stage sump filter assembly
Do You Have the Right Tools?
Bearing puller set ($120), drum spider wrench ($85), multimeter ($85), and diagnostic software. Our technician arrives with $3,000+ in professional tools — your diagnostic is free.
Book a Free Diagnostic VisitOr call for a free consultation (415) 795-7300Available 24/7 — call or text
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What This Repair Involves
Here's what a professional technician does to resolve this issue:
Remove and rinse the multi-stage sump filter
This repair requires bearing pullers, drum spider wrenches, and diagnostic software for control board calibration. Most homeowners find it safer and more cost-effective to have a licensed technician handle it.
Safety First — Know the Risks
High-voltage components and pressurized water lines create flood and shock risk. A single loose fitting can cause thousands in water damage. Our techs are licensed and insured — let them handle the risk.
Let a Licensed Pro Handle ItOr call for a free consultation (415) 795-7300Available 24/7 — call or text
Licensed & Insured · 90-Day Warranty · Same-Day Service
Ready to Get This Fixed?
Don't let error code E22 disrupt your day. A professional diagnosis takes about 30 minutes — and it's free when you proceed with the repair.
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Frequently Asked Questions
What does Thermador error code E22 mean?
Thermador error code E22 indicates: Filter / sump screen blocked. This is a medium-severity issue affecting your dishwasher.
How do I fix Thermador error code E22?
Lift out the lower rack and twist the cylindrical Thermador filter counter-clockwise to release it from the sump well Then, Separate the coarse cup, the flat fine screen, and the micro membrane, then flush all three under running water Then, Work a soft brush over the micro membrane rather than an abrasive pad, which would tear the fine mesh There are 1 more steps — see the full troubleshooting guide above. If these steps don't resolve the error, contact a professional.
How do I know if my dishwasher has error E22?
Besides the error code on the display, common signs include: Dishes still soiled after a full program; Standing water left in the tub floor; Slow drainage between phases. If you notice any of these symptoms, check your dishwasher's display panel for error code E22.
How much does it cost to fix Thermador E22?
Repair costs for Thermador E22 typically range from $20 to $110 depending on the specific cause and parts needed. EasyBear offers free diagnosis when you proceed with the repair. Call (415) 795-7300 for a same-day appointment.
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