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Blown A Fuse

Use an ohmmeter to check the continuity of the earth.

In checking on earth or in one section, the power supply will shutdown must be open. This prevents any accident occurs due to the retroactive. There are times when only one fuse opens, passing an electric current through a good fuse. With the disconnect open, check the load side circuit being tested. In the case of a condensing unit, check the compressor contactor. If the earth is specified, all circuits must be isolated, including the compressor, the condenser fan motor, crankcase heater, and any other electrical devices that may be connected to the device. This also applies to the evaporator section when it is tested.

Sometimes, the soil may develop in the chain of power itself, which may cause a chain open. In such cases, it is your responsibility more. An electrician should be notified that you must be informed when the power supply circuit is under repair.

The third reason is the power to open an overloaded circuit. The demand exceeds the rating of the device of protection.

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