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KDC-139 error code DCER won't remove despite all wiring check OK and reset. Thank you

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  • 132 Answers

SOURCE: DCER error

the amp chip had died, service time

Posted on Jul 25, 2008


  • 132 Answers

SOURCE: DCER error

Every 1 of those i have gotten in service here the amp chip #KKZ10 REF# ic5

Posted on Jul 25, 2008

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I have model kdc-138 & it show "ocer" on the screen & nothing works-radio or cd player...help???


Please check this message. If it is DCER, not OCER, you have a short-circuit in the speaker wiring or a wire is touching the vehicle chassis. Until the wire is fixed (insulated or replaced), the receiver will remain in the Protection mode. This keeps the short from permanently damaging the unit. After you insulate all of the wires, press the RESET button, to the left of and below the volume knob.

If the error persists, then you need to have the receiver professionally serviced. The short is probably inside the receiver itself.

I hope this helps. The troubleshooting guide is on page 18 of the manual. It is available from Kenwood here: http://manual.kenwood.com/files/B64-3898-00_00_KW.pdf . The image of the reset button position is on page 3.

Cindy Wells

Sep 17, 2015 | Kenwood Car Audio & Video

1 Answer

I have a Kenwood car stereo model # KDC-MP342U. Protect mode has been activated on it. I found I had a frayed wire on a speaker from window movement and have replaced the wire. When I reset the radio and...


hold down preset 3 & 6 + reset
press preset 1 - shows dc err
press preset 1 - shows dc ok
press preset 2 - shows dc 2-4
press preset 2 - shows dc 2-0
then unit should be ok with eeprom reset

Jul 18, 2010 | Kenwood KDC-MP342U Car CD Player

1 Answer

Turn it on in it says ocer


Here's the Manual for your KDC-138 deck...

http://kenwoodusa.com/UserFiles/File/Global/Consumer/Manuals/kdcmp238.pdf

On Page 18 it describes the error that you're seeing... let me re-type it here:

PROTECT / DCER: The speaker wire has a short-circuit or touches the chassis of the vehicle, and then the protection function is activated.
-- Wire or insulate the speaker cable properly and press the reset button

I found on Page 3, the reset button is located just below and to the left of the volume knob...

I hope that helps.

Mar 24, 2010 | Kenwood KDC-138 FM / AM Receiver

1 Answer

Error message on screen will not go away


Hello bigdsketch,

The "DCER" error is caused by one of the speaker wires shorted or grounded or a shorted voice coil. Remove the speaker wiring one at a time to determine which one is causing the error, then repair or replace the defective part.

You may need to press the reset button (small recessed button to the lower right of the volume control) after the problem is corrected.

Hope this helps.

Aug 15, 2009 | Kenwood KDC-135 CD Player

1 Answer

I turn on the radio and OCER is shown in the faceplate and it doesn't do anything else.


Hello miguel200819,

The "PROTECT/DCER" error is caused whenever a speaker wire is shorted or grounded by contact with the vehicle frame. Locate and repair the shorted/grounded wire or run a new one and then "reset" the receiver by pressing the reset button to the lower left of the volume control. If this does not work, the receiver is faulty and needs to be serviced.

Hope this helps.

May 20, 2009 | Kenwood KDC-138 FM / AM Receiver

1 Answer

Kenwood KDC-138 Operation Problem


Here's the quote from the manual regarding "dcer": "The speaker wire has a short-circuit or touches the chassis of the vehicle and then the protection function is activated. Wire or insulate the speaker cable properly and press the reset button. If the "PROTECT/DCER" code does not disappear, consult your nearest service center "

I believe the manual can be downloaded from crutchfield .com after you go to the Kenwood KDC-138 page on their website. The reset button is either on the lower left of the face or, removing the face, on the lower left of the body. Hope this helps you.

Jul 24, 2008 | Kenwood KDC-138 FM / AM Receiver

1 Answer

Error code ( DCER )


The Amp chip has died, time for service

Jul 22, 2008 | Kenwood KDC-135 CD Player

1 Answer

DCER error


the amp chip had died, service time

May 16, 2008 | Kenwood KDC-135 CD Player

1 Answer

DCER error (people spell it "ocer"


Problem is the internal amp chip, if it was a speaker problem or shory they flash Protect.

OCER oe DCER is the amp chip Part #KKZ10 REF# ic5

May 15, 2008 | Kenwood KDC-135 CD Player

1 Answer

DCER error


Every 1 of those i have gotten in service here the amp chip #KKZ10 REF# ic5

May 14, 2008 | Kenwood KDC-135 CD Player

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