Slow cooker not heating

Symptoms

• Contents stay cold or barely warm after hours on high
• No warmth felt from the outer crock or base
• Indicator light on but no heat produced
• Worked fine previously and stopped suddenly

Likely causes

• CommonFailed heating element in the baseThe coil or element that surrounds the crock can burn out after years of use.
• PossibleInsert (crock) not seated correctly in the baseA gap between the crock and the heating element reduces heat transfer.
• PossibleFaulty temperature control or dialA worn dial or switch may not be completing the circuit at certain settings.
• PossibleLoose internal wiring connectionVibration and heat cycling over years can loosen connections.
• CommonTripped outlet or breakerWorth ruling out first since it's the simplest explanation.

What to do

1. Confirm the slow cooker is fully plugged in and the outlet works by testing another device in it.
2. Check that the ceramic or metal insert is seated fully and evenly inside the base, not tilted or propped up.
3. Try each heat setting (low, high, warm) to see if only some settings fail to heat, which would point to the dial or switch rather than the element.
4. Let it run empty on high for 15–20 minutes and carefully feel the outside of the base (not the element) for warmth.
5. If it's warm at some settings but not others, the switch is likely at fault; if it's cold at every setting, the heating element has likely failed.
6. Slow cooker heating elements generally aren't user-repairable, so if the element or switch has failed, replacement of the unit is the practical option.

When to call a pro

Slow cookers are sealed appliances not designed for repair; if the heating element or switch has failed, replacing the unit is the standard fix.

Safety