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Firstcheck whether it is still in demo mode. to cancel demo mode -- press [enter]when message flashes "to cancel DEMO mode press ENTER key" for 10-15 secs. Turn the control knob to "YES" and press ENTER key. If it still fails to operate properly press the rest button to return to factory settings(The reset button is behind the front console)
If this happened while playing music at a little higher volume, you must check the speakers for short in coils. disconnect the speakers to see if the protect condition changes, if so check the speakers and wiring. If not then you must have blown up the output IC or a power shorting within the set. You will have to remove the pcb disconnect the power to the output IC to confirm the fault. Helpful I hope. Good day
Hi If anything the stereo was probably designed and tested using a certain version of the Iphones software, now that version 4 has been released the way the IPhone communicates may have changed.
As a result the stereo is no longer able to talk to the phone and vice versa. your probably best off contacting Kenwood direct to see if they are aware of this problem and if there is anything that can be done about it.
in front of your #1 preset button there is a reset button push it with a pin. if you made a pass # put it in if not page 12 show you how to make one if you want. reseting it should make it work if it dont you have a short somewhere start from scratch buy taking it out. I suggest you dont make a password till the short is gone. Mine did the same thing but because i was pulling to much power on starting my car with my amps.
You should disconnect the red wire that goes to battery. Leave disconnected for at least 8 hours so the player can reset. Most newer electroinics have these stupid protection systems that are way to touchy. I think companies just don't want us listening to loud music anymore.
This is a safety feature to avoid damage to internal components, the wiring must be shorting out to earth. Disconnect the speaker cable connector at the rear of the unit and try it, if it is ok then you have a speaker wire shorting out to ground. if it is still saying protect then disconnect the other wires one by one.
Turn on the car so the radio is flashing "Protect." Look on the front / removable face of the stereo. On it you will find a small round hole - that's a reset button. Find a small paper clip, unfold the clip and stick it gently into the hole. The "Protect" will stop flashing, and Kenwood will be displayed. Unfortunately all your settings/presets will be gone, but at least the stereo is working again!