Hobart AM16 - No Operation

🛑 Critical / Stop Operation
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 AM16 DISHWASHERS unit, "No Machine Operation" typically indicates a complete power supply interruption. This is most often caused by a blown internal fuse or a tripped circuit breaker at the main electrical panel. Restore power by checking and resetting the breaker or replacing the appropriate fuse to re-establish unit operation.

Can't fix it yourself?

Our certified technicians can help you on-site.

Request Professional Repair

Technical Details

Repair Steps:

  1. Safety First: Before performing any checks, ensure the main power supply to the dishwasher is completely disconnected at the circuit breaker or wall switch. Always verify power is off using a multimeter before proceeding.
  2. Inspect Circuit Breaker: Locate the electrical panel supplying power to the HOBART AM16. Check for a tripped circuit breaker (usually indicated by being in a middle or “off” position). Flip the breaker completely to the “OFF” position, wait 10 seconds, then firmly flip it back to the “ON” position.
  3. Examine Power Cord and Plug: Visually inspect the dishwasher’s power cord for any signs of damage, cuts, or pinches. Ensure the plug is securely seated in the wall outlet. If the cord is damaged, it must be replaced by a qualified technician.
  4. Check Internal Fuses: Many commercial dishwashers, including the AM16, have internal fuses designed to protect control boards or other components. Access the machine’s control panel or electrical box (refer to your AM16 service manual for exact fuse locations). Carefully check for blown fuses (often identifiable by a broken filament inside). If a fuse is blown, replace it with a fuse of the exact same type and rating. Never use a higher rated fuse.
  5. Test the Main Power Switch: With power restored at the breaker and any internal fuses checked, attempt to turn the machine on using its main power switch. Listen for any sounds, check for display lights, or hums that indicate power is reaching the unit.
  6. Professional Assistance: If, after checking the circuit breaker, power cord, and internal fuses, the machine still exhibits no signs of operation, there may be a fault with the main contactor, transformer, or control board. Contact a qualified HOBART service technician for further diagnosis and repair.

Common Questions:

Q: Why would a fuse blow or a circuit breaker trip on my HOBART AM16?

A: A blown fuse or tripped circuit breaker is a crucial safety mechanism. Common causes include an electrical overload (too much current drawn), a short circuit within the machine, or a ground fault. Sometimes it can be a temporary power surge or an aging component drawing excessive power.

Q: Is it safe to replace a blown fuse or reset a tripped circuit breaker myself?

A: Resetting a circuit breaker is generally safe after ensuring no immediate hazards. Replacing an internal fuse requires caution; always disconnect power first and replace it with a fuse of the exact same type and amperage rating specified by HOBART. If unsure about the process, always contact a professional.

Q: What should I do if the circuit breaker trips repeatedly after I reset it?

A: If the circuit breaker trips immediately or shortly after being reset, it indicates a persistent electrical fault within the HOBART AM16 dishwasher or its dedicated wiring. Do not attempt to reset it repeatedly, as this can cause further damage or create a safety hazard. This condition requires immediate attention from a qualified electrician or HOBART service technician to diagnose and repair the underlying issue.

When to call a technician

For this error, we recommend calling a certified technician. Do not continue operation or attempt repair yourself.

  • Equipment shows a critical or stop-operation fault.
  • You smell gas, burning, or see smoke or sparks.
  • Error returns after following the steps above.
  • You are not trained to work on this equipment.
  • Warranty or safety could be affected by DIY repair.

Need Professional Help?

Our certified technicians can help you on-site.

Request Professional Repair