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Why is there a delay in re-starting compressor that has kicked off an internal overload?

Compressors have various internal protection devices, such as overload relays and thermal switches. These devices protect the compressor from damage by shutting it off if it overheats or draws too much current.

When an overload device trips, it opens the circuit to the compressor, causing it to stop running. The overload device will then need time to cool down before it can reset and allow the compressor to restart.

The delay in restarting the compressor is necessary to give the overload device time to cool down and to prevent the compressor from overheating again. The length of the delay will vary depending on the type of overload device and the ambient temperature.

In some cases, the delay can be as short as a few minutes, while in other cases it can be as long as several hours. If the compressor does not restart after a reasonable amount of time, it is important to check the overload device to see if it has tripped. If the overload device has tripped, you will need to wait until it has cooled down before resetting it.

You can speed up the cooling process by using a fan to blow air over the overload device. Once the overload device has cooled down, you can reset it by pressing the reset button or turning the power switch back on.

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