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How do we know if a dishwasher fuse is blown?

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Don't Let a Blown Fuse Ruin Your Dinner Plans: A Quick Guide to Dishwasher Fuse Troubleshooting

Dishwasher problems can be a major problem. If your dishes are coming out dirty or your dishwasher has suddenly gone quiet, a blown fuse might be the culprit. Our guide will walk you through diagnosing and fixing this common issue.

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An overview

key functions

  • Electrical Safety: Fuses mitigate the risk of electrical fires by breaking the circuit when current levels exceed safe limits.
  • Component Protection: Without a functioning fuse, a power surge could render expensive components inoperable,leading to costly repairs or replacements.
  • Power Fluctuations: Electrical storms, faulty home wiring, or other appliances on the same circuit can cause power surges that overwhelm the dishwasher’s fuse.
  • Circuit Overload: Running multiple high-wattage appliances simultaneously can overload the circuit, leading to a blown fuse.
  • Internal Dishwasher Issues: A short circuit within the dishwasher, often caused by a worn-out heating element or faulty wiring, can trigger the fuse to blow.
  • Complete Inactivity: The dishwasher remains unresponsive, with no lights, display, or sounds.
  • Control Panel Failure: The control panel is blank and does not respond to any commands.
  • Cycle Interruption: The dishwasher may fill with water but fail to initiate or complete a wash cycle.
  • Unusual Sensory Indicators: A burning smell or a buzzing sound during operation can signal an electrical issue.
  • Obtain the Correct Replacement: Purchase a new fuse with the same voltage and amperage rating as the original.
  • Remove the Old Fuse: Carefully extract the blown fuse using pliers or your fingers.
  • Install the New Fuse: Firmly insert the replacement fuse into the designated slot.
  • Restore Power: Turn on the circuit breaker and plug the dishwasher back into the outlet.

Prioritize Safety:

  • Disconnect Power: Unplug the dishwasher from the electrical outlet.
  • Turn Off the Breaker: Locate the dishwasher’s dedicated circuit breaker in your electrical panel and switch it off.

Locating the Fuse:

  • Consult the Manual: Your dishwasher’s owner’s manual will specify the exact location of the fuse.
  • Typical Locations: Fuses are often found inside the dishwasher door, under the lower kick plate, or within the control panel housing.

Testing for Continuity:

  • Visual Inspection: Look for visible signs of damage, such as a blackened fuse or a broken filament.
  • Multimeter Test: If visual inspection is inconclusive, use a multimeter to test for continuity. If the meter does not indicate continuity, the fuse is blown and requires replacement.


  • Avoid Circuit Overload: Be mindful of running multiple high-wattage appliances simultaneously on the same circuit as your dishwasher.
  • Surge Protection: Consider installing a whole-house surge protector to safeguard your appliances from power fluctuations.
  • Regular Maintenance: Keep your dishwasher clean and address any minor issues promptly to prevent more significant problems from developing.