Why is the red POWER AMP CLIP light on my PowerStage 100s lighting up?
- This LED serves multiple purposes, indicating the following:
- Power Amp voltage clipping
- Power Amp current limiting
- Power Amp over-temperature warning
- LIGHTING OF THIS INDICATOR CAN BE CAUSED BY THE FOLLOWING:
- Level control set too high on PowerStage.
- The light will clip if the PowerStage 100s main volume level is set great enough to send the power amp section into clipping (distortion). Flashing means that the level is approaching clip (this is ok), solid can mean the amp section is clipping (distortion will probably be heard).
- Shorted speaker cable
- troubleshoot by checking speaker cable for breaks or damaged plugs.
- Speaker voice coil shorted to speaker pole piece or frame.
- check speaker with other amps, or use multimeter to check for coil short in voice coil.
- Either + or – output signal connected to Ground.
- check cables to make sure that there are not multiple ground connections.
- Total speaker impedance (parallel combination of speakers/cabinets) in excess of minimum rating.
- Level control set too high from input source.
- The light will also flash if the input source level is too high. Turn down the input source.
- Internal fault. Contact support@seymourduncan.com for further instructons.
- If the above troubleshooting does not resolve problem, contact support for next steps.
- Insufficient power to the amplifier
- using the AC outlet on a Multi-Pedal Power Supply might not provide sufficient wattage to run your PowerStage amp. We recommend plugging directly into an extension cord or power strip that is running to a power outlet.
- Over Temperature Protection: The over-temperature circuit monitors the temperature in the output stage and power supply. As the temperature in either approaches 125° C (257° F), the Pwr Amp Clip/O.C. indicator will light continuously.
- When the temperature reaches 150° C (302° F), the amplifier will shut down until the temperature drops below 120°C (248° F), at which point it will reset.
- Lighting of the “Temp” indicator can be caused by the following:
- Lack of air circulation around amplifier.
- Blocked vents.
- Blocked or stopped cooling fan.
- Excessively high ambient temperatures.
- Heavy loading of output (low impedance loads) coupled with high power demand.
- Combinations of any or all the above.
- Level control set too high on PowerStage.
Additional Questions? Please contact Seymour Duncan customer support:
- email: support@seymourduncan.com
- phone, only during business hours from 8am to 5 pm Pacific Time, Monday-Friday: 805-716-6747