Troubleshooting

Amplifier going into Protection mode

The Hybrid amplifier has two protection indicators.

Indicator	Possible causes/check points	Resolution
Red Protect LED is blinking	High temperature	Self heals: Allow the unit to cool down to restore normal conditions.
	High current (exceeding rated power) causing the speaker protect limiter to activate, which reduces power.	Self heals: Reduce the input music level to release the internal limiter.
	Firmware is updating (Channel 2 blinking)	Allow the update to finish
Red Protect LED is solid	Speaker terminal short (Channel 2 lights up if either terminal detects a short).	Verify the speaker output is configured correctly (Speaker Out).
	Failed jumping to a partition after a firmware update.	Contact Tech Support for firmware recovery.

No audio output

If the Level Meter, green LED illuminates or web UI shows activity, then the amplifier detects an audio input signal. Verify the speaker output is configured correctly (Speaker Out).

If the speaker output is configured correctly, verify the source inputs are configured correctly.

Distorted audio at normal volume

Distortion can occur if the LEVEL adjustment is set too high to compensate for low source volume. This sounds like steady hissing or humming behind the music, signal clipping, or distortion of highs and lows.

Re-adjust the volume levels by starting at the baseline settings and re-adjusting the final volume until a comfortable listening level is achieved with no distortion, while using the source volume or inline control.

Inline volume "thump"

If you hear a "thumping" sound the amplifier and source volume levels are set too high. Calibrate the inline volume controls so they are one or two adjustment levels away from their maximum settings when the audio is at a normal listening level. This leaves on to three settings above normal use if a little extra volume is needed.