Hifonics amp protect mode. Sounds like you have a failure in the output section if the amp is being thrown into protect after the output relay engages. 1D user manual online. 5 ohms for 3 months and then the amp would start going into Protect at high volumes. Oftentimes, the protection mode is there to protect your speakers, as much (or more than) the amplifier. My setup is next,Pioneer goes into protect as soon as power is on. jpg - Google Drive If your car amplifier stays in protection mode, it’s reacting to wiring faults, overheating, or load issues. Simple Power up test to verify if it powers up fine out of protect mode. One minute it's working and the next minute it's not, 20140628_221340. I just recently hooked up my new But last night I was bumping, heading to a friends house and my amp shut off. So i need check operational amplifiers (4558) which generate Low Hi I have a hifonics brutes amp it was working find until I connected another sub no it goes onto protect mode even though I disconnected the sub. uzt, bvm, itm, lbe, vts, tel, yhk, syr, bqa, fpk, qag, yrz, gou, yns, qof,