How to troubleshoot Infinity 1210a Amplifier with no audio and POWER LED is off?
If your Infinity Amplifier has no audio and the POWER LED is off, check the voltages at the amplifier terminals with a VOM.
How to fix distorted audio on my Infinity Amplifier?
If you are experiencing distorted audio with your Infinity Amplifier, it could be due to the input sensitivity not being set correctly, or there may be a defect in the amplifier or source unit. First, check the INPUT LEVEL setting. Also, inspect the speaker wires for any shorts or grounds.
What to do if there is no audio and the PROTECT LED is on in my Infinity Amplifier?
If there is no audio and the PROTECT LED is on for your Infinity Amplifier, it's likely that the amplifier is overheated. Ensure that the amplifier cooling is not blocked at the mounting location. Also, verify that the speaker-system impedance is within the specified limits.
What to do if my Infinity 1210a has distorted audio and the PROTECT LED flashes?
If you're getting distorted audio and the PROTECT LED is flashing on your Infinity Amplifier, there may be a short circuit in the speaker or wire. Remove the speaker leads one at a time to find the shorted speaker or wire, and then repair it.
How to troubleshoot no audio when the POWER LED is off on my Infinity Amplifier?
If there is no audio and the POWER LED is off on your Infinity Amplifier, it indicates that there is no voltage at the BATT+ and/or REM terminals, or there's a bad or no ground connection. Check the voltages at the amplifier terminals using a VOM (volt-ohm-milliammeter).
What does it mean when the PROTECT and POWER LEDs flash on my Infinity Amplifier with no audio?
If there is no audio and both the PROTECT and POWER LEDs are flashing on your Infinity Amplifier, it means the voltage is less than 9V on the BATT+ connection. Check the vehicle charging system.
Why is there no audio and the PROTECT LED is on for my Infinity Amplifier?
If there is no audio and the PROTECT LED is on for your Infinity Amplifier, it means the voltage is greater than 16V or less than 8.5V on the BATT+ connection. Check the vehicle charging system.
What to do if there is no audio and the PROTECT LED flashes on my Infinity Amplifier?
If there is no audio and the PROTECT LED flashes on your Infinity Amplifier, it indicates there is DC voltage on the amplifier output. The amplifier may need service; see enclosed warranty card for service information.
What to do if my Infinity 1210a has distorted audio?
If you're experiencing distorted audio with your Infinity Amplifier, it could be due to an improperly set input sensitivity or a defect in the amplifier or source unit. First, check the INPUT LEVEL setting. Also, inspect the speaker wires for any shorts or grounds.
Why does my Infinity 1210a lack punch?
If your music lacks 'punch' when using the Infinity Amplifier, the speakers might not be connected properly. Check the speaker connections to ensure they have the correct polarity.
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