Hobart AM16 - Error 029: Program Interrupted - Close Door

⚠️ Caution / Monitor Closely
Warning: The information provided here is for educational purposes only. Working with commercial kitchen equipment involves high voltage, gas, and high temperatures. We strongly recommend contacting a certified service technician for any repairs. We are not responsible for any damage or injuries resulting from DIY repair attempts. This information is provided 'as is' without any guarantees of completeness or accuracy.

TLDR

On your HOBART AM16 DISHWASHERS unit, error code 029 indicates the door was opened during an active wash cycle, interrupting the program. To resolve, simply close the dishwasher door firmly, ensuring it is fully latched. The machine should then resume its operation automatically once the door is properly secured.

Can't fix it yourself?

Our certified technicians can help you on-site.

Request Professional Repair

Technical Details

Repair Steps:

  1. Verify Door Closure: Thoroughly inspect the dishwasher door to ensure it is completely closed and securely latched. A partially open door or one that isn’t fully seated will trigger this error. Gently push the door until you hear or feel it click into place.
  2. Check for Obstructions: Examine the area around the door frame, door gasket, and hinges for any foreign objects, food debris, or dishware that might be preventing the door from closing properly. Clear any obstructions found that could interfere with the latch mechanism or the door’s seal.
  3. Inspect Door Latch Mechanism: With the power OFF, carefully inspect the door latch mechanism on the dishwasher and the strike plate on the door for any visible damage, wear, or misalignment. A faulty latch may not engage correctly, preventing the door from signaling closure to the control board. If damaged, professional replacement may be required.
  4. Test Door Interlock Switch: If the error persists after ensuring the door is closed and latched, the internal door interlock switch (or sensor) may be faulty. This switch signals to the control board that the door is closed. This is often an internal component requiring a qualified technician to diagnose and replace safely, as it involves electrical components.
  5. Check Door Alignment: Over time, the dishwasher door may become misaligned due to hinge wear or repeated use. Gently check for any play or sagging in the door hinges. If the door isn’t aligned correctly, it may not engage the latch or door switch properly. Minor adjustments might be possible, but significant misalignment usually requires professional service to prevent further damage.
  6. Power Cycle the Dishwasher: As a last resort for persistent errors, perform a complete power cycle. Turn OFF the main power switch or unplug the HOBART AM16 DISHWASHERS from its power source for at least 5 minutes. Then, restore power and attempt to restart the wash cycle. This can sometimes reset the control system and clear transient issues.

Common Questions:

Q: Why does opening the door during a cycle cause an error on my HOBART AM16?

A: The HOBART AM16 DISHWASHERS is designed with safety and operational integrity in mind. Opening the door during a cycle exposes hot water and steam, posing a burn risk. The control system immediately interrupts the program (Error 029) to prevent hazards and maintain proper wash conditions.

Q: My HOBART AM16 door won’t latch properly, and error 029 keeps appearing. What should I check?

A: First, ensure no dishes or debris are obstructing the door’s closure. Inspect the door’s hinges for alignment issues and the latch mechanism itself for any visible damage or wear. If the latch is sticky or broken, it may need cleaning, lubrication, or replacement by a qualified technician.

Q: Can a faulty door switch cause a persistent Error 029 even when the door is closed?

A: Yes, absolutely. The door interlock switch is a critical component that signals to the dishwasher’s control board that the door is securely closed. If this switch is faulty, stuck open, or has a loose connection, the machine will erroneously believe the door is open, triggering Error 029, even if the door is physically shut. This requires professional diagnosis and replacement.

When to call a technician

Consider calling a certified technician if:

  • The error keeps coming back after you've tried the steps above.
  • You're not comfortable doing the checks or repairs yourself.
  • You notice unusual noise, smell, or behaviour.
  • Equipment is under warranty and you want official service.
  • You need the unit back in service quickly with minimal downtime.

Need Professional Help?

Our certified technicians can help you on-site.

Request Professional Repair