Question about Kenwood KDC-MP205 CD Player

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Protect on display

So are you saying it could be a wiring issue, a complete speaker meltdown, or a simple reset?

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Hello! All u have to do to remove the "protect" from ur face is hit the reset button. It's to the left of the number button & auto. Use a pin or something to hit it & u should be all set.

Posted on Sep 15, 2008

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My stereo sysytem is a mini stereo: serial number 10200055. It currently says "protect", what is this and how do we return our system to normal operations?


Hi there,

When the word PROTECT appears on this display, this means the unit has detected a critical fault which could potentially cause harm to your stereo system.

The most common cause is a short circuit somewhere - something even as simple as loose speaker wiring could cause a short, triggering the Protect message.

You will need to determine if there is a possible short somewhere, so I recommend you start by firstly turning power OFF, disconnecting all speaker wires, then turn unit back ON.

Operate the stereo (without speakers) and turn volume up:
  • If Protect message appears when turning volume up, then stereo unit itself has an internal fault
  • If no Protect message appears, then suspect the speakers may be causing the issue.
  • Reduce volume and turn unit OFF
Re-connect speakers (ensure the connections are secure), turn unit ON:
  • If turning volume up triggers the Protect message again, there is an issue with the speakers or connections

Hope this helps.....

Sep 04, 2011 | Kenwood Audio Players & Recorders

Tip

Display says Protect , and the unit does not start.


Protet mode is a special diagnostic mode that starts when a fault is detected.

When in protection mode the unit is prevented from starting by protection circuit, so to prevent further damage.

Check the speakers and speakers wiring, a contact in speaker wires, or faulty speakers can send the unit in protection.

Try unplugging power cable for one hour or so. then connect cable back and see if you get rid of protect state. Sometimes accumulation of electrostatic charges inside circuit capacitors can kick in protect mode. In that case unplugging the unit from main for some times can get rid of electrostatic charges, and reset circuits by draining power completely.
If that was the problem, you will not get Protect when plugging back power cable.

If you do all the above and still get Protect, then there is a real fault.

In that case the unit may be disassembled and tested to find the fault.

If that is the case I suggest contacting the manufacturer at the number listed on the owners manual, or asking a quote on repair to a local technician.

on May 27, 2009 | Sony STR-DE597 Receiver

1 Answer

When i try turn it on from standby the red protection light flashes 7 times? why and how do i fix it?


This is a common question on this site. Amps of all types have protection circuits to keep them from doing a self meltdown. Testing follows this logic. 1. Remove all speaker wires. 2. Keep the volume down - all the way. 3. Turn the unit on. 4. If it does not trip off, then there is a problem either in a speaker or the wiring. a. Reconnect one at a time until/unless it trips off b. That will tell you where to look further.
If it does trip off, then there is an internal circuit issue in the amp and probably requires professional help to fix.

Dec 27, 2010 | Cambridge Audio Azur 540A Amplifier

1 Answer

The push power protect always flashes on my sony any time is been switch on,the model number is MHC-VX55


This is a common question on this site. Amps of all types have protection circuits to keep them from doing a self meltdown. Testing follows this logic. 1. Remove all speaker wires. 2. Keep the volume down - all the way. 3. Turn the unit on. 4. If it does not trip off, then there is a problem either in a speaker or the wiring. a. Reconnect one at a time until/unless it trips off b. That will tell you where to look further.
If it does trip off, then there is an internal circuit issue in the amp and probably requires professional help to fix.

Nov 15, 2010 | Audio Players & Recorders

1 Answer

My tuner will play for a short time (fm radio)then shut off with a loud click and the message "OVERLOAD" appears on the display. Help! Thanks.


This is a common question on this site. Amps of all types have protection circuits to keep them from doing a self meltdown. Testing follows this logic.
1. Remove all speaker wires. 2. Keep the volume down - all the way. 3. Turn the unit on. 4. If it does not trip off, then there is a problem either in a speaker or the wiring. a. Reconnect one at a time until/unless it trips off b. That will tell you where to look further.
If it does trip off, then there is an internal circuit issue in the amp and probably requires professional help to fix.

Nov 09, 2010 | Technics SA-AX6 Receiver

1 Answer

Sound quit and display shows PROTECTOR Sony STR-D865


This is a common question on this site. Amps of all types have protection circuits to keep them from doing a self meltdown. Testing follows this logic.
1. Remove all speaker wires. 2. Keep the volume down - all the way. 3. Turn the unit on. 4. If it does not trip off, then there is a problem either in a speaker or the wiring. a. Reconnect one at a time until/unless it trips off b. That will tell you where to look further.
If it does trip off, then there is an internal circuit issue in the amp and probably requires professional help to fix.

Nov 09, 2010 | Sony STR-D865

1 Answer

Kdc-mp245 is in protect mode, how do i find what speaker is shorting out?


disconnect all the speakers , may still say protect , reset eeprom by holding preset 3 & 6 +reset , display may show dc error , hold preset 1 fpor a couple of secomds then hold preset 2 for a couple of seconds , then display should show dc1 - ok / dc 2 - 0 , then connect speakers one at a time , check wiring ,this may cure fault

Jul 25, 2010 | Kenwood DPX-501 CD Player

2 Answers

My Stereo Is Always On Protect Can It Be Easily Fixed


Protet mode is a special diagnostic mode that starts when a fault is detected.

When in protection mode the unit is prevented from starting by protection circuit, so to prevent further damage.

Check the speakers and speakers wiring, a contact in speaker wires, or faulty speakers can send the unit in protection.

Try unplugging power cable for one hour or so. then connect cable back and see if you get rid of protect state. Sometimes accumulation of electrostatic charges inside circuit capacitors can kick in protect mode. In that case unplugging the unit from main for some times can get rid of electrostatic charges, and reset circuits by draining power completely.
If that was the problem, you will not get Protect when plugging back power cable.

If you do all the above and still get Protect, then there is a real fault.

In that case the unit may be disassembled and tested to find the fault.

If that is the case I suggest contacting the manufacturer at the number listed on the owners manual, or asking a quote on repair to a local technician.

May 27, 2009 | Sony Audio Players & Recorders

1 Answer

Sharp 5 disc cd player


Email i got from Sharp:

I do apologize for the problems you are having with your audio unit. The protect mode
indicator will appear when the unit detects abnormal resistance in your speaker setup. I
recommend removing any additional speaker wire that may be added to the unit to extend the
factory speaker lengths. Also, make sure you have all the factory speakers attached, and all
non-factory speakers removed. Finally, please unplug you unit from he wall for 1 hour after
checking all of the above suggestions to completely reset your unit.
If you are still having issues after doing all of the steps mentioned above, the unit may need
to be evaluated by a Sharp Authorized repair center.

Oct 28, 2008 | Sharp XL-MP60 Shelf System

2 Answers

Kenwood in dash cd player


The protection function is activated when the speaker wire has a short-circuit or touches the chassis of the vehicle. Wire or insulate the speaker cable properly and press the reset button. (The reset button is that little pinhole button below and to the right of the volume control). If you do this and the "PROTECT" code doesn't disappear, you'll have to consult a service center. Further, if you had this professionally installed, they should be obligated to fix the issue for you (hopefully).

Jul 23, 2007 | Kenwood KDC-MP205 CD Player

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