Thermador Dishwasher E25 Error Code: Drain Pump Blocked

Quick Answer

E25 on a Thermador dishwasher means the drain pump impeller is physically blocked - something has passed through the filter and lodged in the pump housing. The fix requires removing the filter assembly, then removing the drain pump cover to access and clear the impeller. Common culprits are bone fragments, broken glass, fruit pits, and thick food debris. After clearing the jam, spin the impeller by hand to confirm it moves freely before reassembling. If clearing the jam does not resolve E25, test the drain pump motor: 200-250 ohms between the terminals is normal. An open circuit means the pump motor failed from the jam or from heat damage.

ThermadorDishwasherSeverity: moderate80% DIY Success

Time to Fix

10–30 min

Difficulty

beginner

Parts Cost

$45 – $80

Tools Needed

Needle-nose pliers (to safely remove debris), Protective gloves

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Not seeing E25 on your display?

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drain pump blocked by foreign object

BoschE25

What Does the E25 Code Mean?

Something is physically blocking the drain pump impeller. Remove the filter, access the pump cover, clear the obstruction, and spin the impeller to confirm it moves freely.

Most Likely Causes

Based on aggregated repair data, here is the probability breakdown for this error code:

Bone fragment or fruit pit passing through the filter into the pump40%

Broken glass or ceramic shard lodged in impeller24%

Drain pump motor failed after a jam overheated the windings22%

Thick food debris compacted in the pump housing14%

Symptoms You May Notice

E25 displayed on control panel
Standing water in the tub - machine failed to drain
Loud grinding or clicking noise at drain phase before error appeared
Machine stops specifically during the drain sequence

Can you reset a Thermador dishwasher to clear the E25 code?

After clearing the impeller obstruction, press Start/Stop for 3-5 seconds to cancel the error. Unplug for 60 seconds if the error does not clear immediately. Run a rinse-only cycle to confirm the drain pump operates without issue.

Tools Required for Diagnosis

Needle-nose pliers (to safely remove debris)Protective glovesMultimeter (for pump motor test if needed)Towels to remove standing water

Diagnostic Checklist

Follow these steps in order. We start with the easiest external fixes before opening up the machine.

Remove the lower rack and scoop out any standing water

Remove the lower rack and scoop out any standing water. Remove and clean the triple filter (coarse strainer, flat filter, fine cylinder) - even if the filter is not the primary cause, it should be clean before proceeding.

With the filter out, locate the drain pump cover in the sump area

Inspect the pump housing for debris

If the impeller spins freely but E25 persists after reassembly

Replacement Parts

If your diagnostic testing proves the component has failed, you will need a replacement. We recommend OEM parts over aftermarket for water-handling components.

Part Name	OEM Number	Estimated Price
Drain pump00631200 · $45–$80	00631200	$45 – $80

Verify part fitment for your Thermador model

Repair vs. Replace Calculator

Appliance Age (Years)7 Yrs

Labor Approach

Our Verdict

REPAIR

Estimated Cost: $63 (Parts) vs $1800 (New Machine)

Frequently Asked Questions

How do I access the drain pump on a Thermador DWHD dishwasher?

Remove the lower rack, clean out standing water, then remove the full triple filter assembly. The drain pump cover is located in the sump area beneath the filter. It typically has a circular cover held by tabs - press or twist to release it, then lift it off to expose the impeller.

What is the difference between E24 and E25?

E24 is a general drain fault - the machine could not drain in time, which can be caused by a clogged filter, high drain hose, or failed pump. E25 is specifically a blocked pump impeller - something is physically preventing the impeller from spinning. Start by cleaning the filter for both codes, then check the pump impeller for E25.

Will E25 go away on its own?

No. If there is a physical object jamming the impeller, it will not move on its own. The machine will keep throwing E25 every time it tries to drain until the obstruction is removed.

I cleared the jam but E25 still shows. What is wrong?

If the impeller spins freely but E25 persists, the pump motor may have burned out from the overheating caused by the jam. Test the motor with a multimeter - if it reads OL (open circuit) instead of 200-250 ohms, the motor failed and the pump assembly needs replacement.

Related Thermador Dishwasher Error Codes

Code: HUBThermador Dishwasher Error Codes: Complete List for DWHD and Sapphire Series Code: E24Thermador Dishwasher E24 Error Code: Drain Fault Code: E22Thermador Dishwasher E22 Error Code: Filter Blocked Code: RESETHow to Reset a Thermador Dishwasher and Clear Error Codes

Same Fix on Other Brands

Bosch dishwasherE25: Bosch Dishwasher E25 Error Code

Same Fix Works on These Brands

Thermador shares the same hardware platform with these brands. The diagnosis and repair steps are identical.

Bosch dishwasherBosch Dishwasher E15: Fix the Anti-Flood Alert Fast Bosch dishwasherBosch Dishwasher Error Codes: Complete List + Fixes Bosch dishwasherHow to Reset a Bosch Dishwasher (Every Method)Bosch dishwasherBosch E24 Error: Drain Problem Solved Step by Step Bosch dishwasherBosch E25 Code: Drain Pump Fix Without a Technician Bosch dishwasherBosch Dishwasher Not Draining: Every Cause Covered

Models Known to Experience E25 Errors

This repair applies to most Thermador dishwashers with this error code. Common model numbers include:

DWHD440MFP, DWHD640JFP, DWHD640ZFP, DWHD660ZFP, DWHD771WFP

Last verified for technical accuracy on March 14, 2026