Error code · Siemens
E:79 · Intelligent dosing system pump blocked
The pump of the intelligent dosing system is blocked. First, clean the detergent dispenser. If the fault persists, contact customer service.
Washer-dryerCaution — Know When to StopFixLens verified
Safe first steps
- Unplug the washer-dryer from the power outlet to ensure safety before starting any cleaning.
- Remove the detergent dispenser and clean it thoroughly to remove any blockages.
- Check the pump area for any visible obstructions or debris that may be blocking the pump.
- Reassemble the detergent dispenser and plug the washer-dryer back in. Run a short cycle to check if the error persists.
- If the error E:79 still appears after cleaning, do not attempt further repairs and arrange for a service visit.
When to stop
- Stop if you see water leaking from the detergent dispenser area — risk of electric shock.
Likely cause
The pump of the intelligent dosing system is blocked. First, clean the detergent dispenser. If the fault persists, contact customer service.
Verification
Reviewed by: automated manual extraction
Verified against Siemens WN54G2A0EU technical documentation
FixLens publishes its own structured technical logic verified against Siemens WN54G2A0EU documentation · last verified April 22, 2026.
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