Bosch Dishwasher: not functioning properly

Possible Causes

Power supply issues

How to Identify: Dishwasher has no lights or display; completely unresponsive when pressing buttons.

Part: Circuit breaker / power connection

Child lock / control lock engaged

How to Identify: Buttons do not respond; indicator shows lock symbol on control panel.

Part: Control panel lock feature

Faulty control panel / electronics

How to Identify: Control lights unresponsive or erratic behavior after power is confirmed functional.

Part: Control board / control panel assembly

DIY Solutions

Check and reset power supply

Easy 5–10 minutes

Tools Needed: None

1. Check home circuit breaker or fuse for dishwasher circuit and reset if tripped.
2. Ensure dishwasher is plugged in or hard‑wired connection is secure.
3. Turn dishwasher power off for a few minutes at breaker and back on (power cycle).

⚠️ Safety First: Ensure breaker handles are handled safely and dry hands.

Ensure door fully closes and latch engages

Easy 5 minutes

Tools Needed: None

1. Open dishwasher door and clear any obstructions on door edge or strike plate.
2. Close door firmly until you hear a click from the latch.
3. Attempt to start a cycle.

⚠️ Safety First: Avoid forcing door if resistance is felt.

Disable child lock / control lock

Easy 2 minutes

1. Identify lock indicator on control panel.
2. Press and hold the indicated button(s) as per user manual to toggle lock off.
3. Try starting the dishwasher again.

Check water supply valve and inlet hose

Moderate 10–15 minutes

Tools Needed: Adjustable wrench

1. Turn off dishwasher power and water supply.
2. Check that the water inlet valve under sink is fully open.
3. Inspect inlet hose for kinks or obstructions and ensure secure connections.
4. Restore water and power and test.

⚠️ Safety First: Turn off water supply before disconnecting hoses.

Professional Repairs

Replace faulty door latch assembly

Estimated Cost: $30 - $80

Control panel or main control board replacement

Estimated Cost: $150 - $400

Water inlet valve replacement

Estimated Cost: $40 - $120

When to Call a Professional

Consistent no power after verifying household power and breaker

Control panel is unresponsive or displays error codes after restart

Visible or suspected water leaks

Mechanical noises when attempting to start or mid‑cycle stoppage

Preventive Maintenance

• Clean filters regularly: Clogs that can cause operational issues and poor performance
  Frequency: Monthly
• Inspect spray arms for blockages: Poor cleaning and potential cycle failures
  Frequency: Monthly

Frequently Asked Questions

Why is my Bosch Dishwasher not functioning properly?

Common causes include power supply issues, child lock engagement, and faulty control panels.

How do I fix Bosch Dishwasher not functioning properly myself?

Check the power supply, ensure the door latches properly, disable child lock, and inspect the water supply.

How much does it cost to fix not functioning properly?

Professional repair costs range from $30 for door latch replacements to $400 for control panel repairs.

When should I call a technician for not functioning properly?

If DIY solutions fail or if complex issues like control board replacements are needed, contact a technician.

References & Sources

• Bosch Dishwasher Troubleshooting & Repair Guide Official

User Suggested Solutions

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Community Discussions

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Source: Reddit r/appliancerepair