1. Ensure that the CPA Series is properly connected to a working power outlet, and the power button on the speaker is in the "on" position.

2. Test the power outlet with another device to confirm it's functioning.

3. Examine the power cord for any damage or fraying and replace it if necessary.

4. Test the speaker with a different power cord to rule out cord issues.

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*Since many problems are frequently identified as NTF (No-Trouble-Found) and can be resolved through a few additional checks, we recommend that when you encounter any issues, always double-check all cable connections, the functionality of the power cord/power socket, the volume control level on the CPA loudspeakers, or the input source gear, etc.