JL Audio J21000.1 Status Indicator Lights Protection Circuitry, Servicing your Amplifier

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Status Indicator Lights /

Protection Circuitry

There are two status indicator lights on the top of the amplifier. These are as follows:

1)“Power” (Green): lights to indicate that the amplifier is turned on and operating normally.

2)“Protect” (Red): lights to indicate that the amplifier has exceeded its safe operating temperature or has detected a short-circuit in its speeaker output. For information on troubleshooting this amplifier, refer to Appendix C (pages 14, 15).

Amplifier Status

Protect Power

Level Port

Servicing your Amplifier

If your amplifier fails or malfunctions, please return it to your authorized JL Audio dealer so that it may be sent in to JL Audio for service. There are no user serviceable parts or fuses inside the amplifier. The unique nature of the circuitry in the JL Audio amplifiers requires specifically trained service personnel. Do not attempt

to service the amplifier yourself or through unauthorized repair facilities. This will not only void the warranty, but may result in the creation of more problems within the amplifier.

If you have any questions about the installation or setup of the amplifier not covered in this manual, please contact your dealer or technical support.

JL Audio Technical Support:

(954) 443-1100

9:00 AM – 5:30 PM (Eastern Time Zone)

Monday - Friday

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JL Audio

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Contents 1000W Monoblock Subwoofer Amplifier Safety Considerations Installation ApplicationsPlanning Your Installation Protect Your HearingPower Connections Product DescriptionFuse Requirements REMote turn-On Amplifier InputSBass BOost Control Preamp outputs deliver the same signal thatLP Filter CroSSOVER Control Remote Level ControlJL Audio Technical Support Status Indicator Lights Protection CircuitryServicing your Amplifier 954 AM 530 PM Eastern Time Zone Monday Friday JL AudioDimensions LxWxH Nine-Step ProcedureAppendix b J2-1000.1 Specifications General Specifications Appendix aMy amplifier doesn’t turn on My amplifier turns on, but there is no outputINSTALLATION NOTES INSTALLATION NOTES JL Audio, Inc Limited Warranty Amplifiers USAIf you need service on your JL Audio product International Warranties