We're trying to see if the whining is related to the low volume and "protect" or if it's only coincidental.
This happens when the amp isn't even warm or hot. Improper installation of the amp The amp has overheated for some reason One or more wires have come loose The amp has failed internally.
Amp in Protect Mode - Troubleshooting Foreword: Helpful 0 Not Helpful Comment Flag. For example, some of the Sony amplifiers have lights for power, overcurrent and thermal protection.
Daniel Level 2 Expert 299 Answers. If the shield ground of the head unit is OK, the amplifier could have one of several problems. Answer questions, earn points and help others Answer questions.
The one on the right is OK. Get the amp down to it's most basic state. I watched as I gradually turned up the volume, the voltage on the power wire gradually decreased from 12.
Here's a link to this great service Good luck! Return it to the place of purchase for repair or replacement. My amplifier goes into protect mode when I turn the volume up about the stereo's midpoint.
Amp in Protect Mode - Troubleshooting Let me know if you have any other questions. Continue Reading. Step 2: The max point reward for answering a question is 15.
The resistance across fuses rated more than a few amps will be essentially 0 ohms. May also be a good idea to check for continuity using a multimeter.