When a Power Cycle Can Help—and When to Stop

When a power cycle may help

An appliance’s electronic controls can sometimes freeze or enter a fail-safe state after an interrupted cycle or pause. One power cycle may restore a frozen or unresponsive control panel.

It may also clear erratic behavior after a brief power dip or outage, or remove a non-critical stored error after a temporary condition—such as an opened door or lid, or an out-of-balance load—has been corrected. A reset does not repair a faulty component.

How to do one safe power cycle

First make sure your hands and the floor are dry, and check that no water is leaking near the outlet or electrical parts. If there is water or another warning sign, do not disconnect or restore power yourself.

Disconnect power once, leave it off for 1 to 5 minutes, then restore it. Follow the appliance manufacturer’s instructions if they specify a different interval.

• For a plug-connected appliance, grip the plug and pull it from the wall outlet; do not pull on the cord.
• For a hardwired appliance or one whose plug is inaccessible, switch its dedicated breaker fully to OFF at the household service panel.
• Restore power by reconnecting the plug or switching the breaker to ON. Test with a brief test or empty cycle.

When not to repeat the power cycle

Attempt a power cycle only once. If the appliance does not recover, repeating resets will not resolve a hardware fault and may create fire, overheating, or shock hazards.

Stop and do not restore power if a breaker trips immediately or repeatedly, or if you notice burning-plastic odor, scorch marks, smoke, sparks, a hot breaker, or water near the appliance’s electrical parts.

• Do not cycle power for harsh grinding, screeching, loud popping, or a suspected locked pump or motor.
• If the appliance restarts but immediately shows the same fault code, treat it as a warning of a possible component failure, not a temporary control glitch.

When to call a qualified professional

Contact a qualified appliance technician or electrician if the appliance remains unresponsive or dead, or shows the same fault code after one full power disconnect.

Professional service is also required if a breaker or safety switch trips when the appliance starts drawing a load, or if there are signs of thermal damage, melted insulation, or internal electrical failure. Do not remove panels or attempt internal diagnosis.

• Do not attempt owner repairs involving sealed refrigerant systems, gas lines, or internal wiring enclosures.

Frequently asked questions