Siemens Dishwasher: not draining

Possible Causes

Clogged filter or sump area

How to Identify: Standing water after cycle; visible food debris in the bottom filter area; water not flowing when filters are removed

Part: Filter assembly / sump

Kinked or blocked drain hose

How to Identify: Water remains after cycle; drain hose shows bends, crimping or blockage; no water flows when hose is detached into a bucket

Part: Drain hose

Wastewater (drain) pump obstruction or malfunction

How to Identify: Humming sound during drain cycle but no water movement; debris like glass or food visible in pump housing

Part: Drain pump

Electronic or control error preventing pump activation

How to Identify: No sound from drain pump when system should be draining; error codes displayed

Part: Control board/ electronics

DIY Solutions

Clean the filter assembly

Easy 10-20 minutes

Tools Needed: gloves, soft brush

1. Turn off and disconnect the dishwasher from power.
2. Remove the bottom dish rack.
3. Unlock and remove the filter assembly at the base of the dishwasher.
4. Clean rinse and scrub the coarse and fine filters under running water.
5. Reassemble the filter and ensure it is correctly seated.
6. Run a short cycle to test if drainage is restored.

⚠️ Safety First: Always disconnect power before accessing internal parts.

Inspect and clear drain hose

Moderate 20-40 minutes

Tools Needed: bucket, flashlight, pliers

1. Turn off and disconnect the dishwasher from power.
2. Locate drain hose behind the dishwasher.
3. Straighten any kinks and disconnect the hose from pump/sink connection (bucket under to catch water).
4. Flush the hose with water and clear blockages with flexible brush or by blowing air.
5. Reconnect hose ensuring correct high loop or air gap position.
6. Run drain test.

⚠️ Safety First: Ensure proper reconnection to avoid leaks.

Clear debris from drain pump area

Advanced 30-60 minutes

Tools Needed: screwdriver set, bucket, gloves

1. Disconnect power.
2. Remove bottom access panel to expose pump area.
3. Locate drain pump and remove visible debris from housing or impeller.
4. Manually spin impeller if possible to check movement.
5. Reassemble and test drain cycle.

⚠️ Safety First: Be cautious around sharp components; ensure correct reassembly.

Professional Repairs

Replace drain pump assembly

Estimated Cost: $80 - $200

Service control board or electronics

Estimated Cost: $150 - $400

When to Call a Professional

If DIY filter and hose cleaning do not resolve and standing water persists

Humming from pump with no water movement after clearing debris

Electronic errors preventing drain pump operation

Preventive Maintenance

• Clean filter weekly: Filter-based clogs that inhibit drainage
  Frequency: weekly
• Inspect drain hose position: Hose kinks or improper installation leading to drainage issues
  Frequency: every 3 months

Frequently Asked Questions

Why is my Siemens Dishwasher not draining?

Common causes include a clogged filter, kinked drain hose, or a malfunctioning drain pump.

How do I fix Siemens Dishwasher not draining myself?

You can clean the filter, inspect the drain hose for kinks, or clear debris from the pump.

How much does it cost to fix not draining?

Professional repairs for a non-draining dishwasher can range from $80 to $400 depending on the issue.

When should I call a technician for not draining?

If basic troubleshooting doesn't resolve the issue, or if the pump or electronics need replacement, it's time to call a pro.

References & Sources

• Dishwasher is not draining | Siemens Home Official

Can I Fix This Myself?

100%

DIY Success Rate Difficulty: DIY

Common Issues Reported by Users

• Drain pump failure (1 mentions)
• Water level sensor malfunction (1 mentions)

User Suggested Solutions

1. Remove from installation and check for leaks

   Success rate: 50.0%

Community Discussions

E17 error and not fully draining

Remove from installation and check for leaks.

DIY View on Reddit →

Source: Reddit r/appliancerepair