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My harmnn kardon avr 154 receiver went into protect mode how do i reset it after unhooking all wires from it

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: Onkyo tx-sr800 PROTECT mode

Hold video1 and press speakers A button, it will say "clear" If the message protect appears again, then its service time.

Posted on Sep 05, 2007

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SOURCE: Denon AVR-1508 Receiver problems - cuts off and goes into protect mode

Usually when the unit runs for a while before shutting down there are two possibilities:

1) There is a small amount of DC current present that effectively heats up the speaker coils enough to cause a temporary short circuit that kicks in the protect circuit.
2) The output transistors or bias transistors are sensitive to heat and breaking down again causing the protect circuit to kick in.

A few experiments to try:

1) Does the time to shutdown change depending upon the volume level?
2) Is there any background noise coming from the speakers? Listen to a blank tape for example. Is there a hum or any other noise that you would not normally expect?
3) If you have a DC voltmeter, check for any voltage between the speaker lines.

Update this and we'll try to narrow this down.

Dan

Posted on Aug 19, 2008

smarthome2
  • 1114 Answers

SOURCE: Harman Kardon AVR 154 OSD setup screen wont display

It will only display via component. Your HDMI firmware is either 1.1 or 1.2 and has HDCP issues (High Definition Copyright Protection) it's a firmware problem that has been fixed on all new receivers, not just a HK issue, all receivers! the new version 1.3a and 1.3b have fixed the issue. Unfortunately you cannot update the firmware on the receiver. Hope this explains it for you, sorry! Lot's of angry people out there!!! myself included.

Posted on Jul 01, 2009

  • 1 Answer

SOURCE: My Harman Kardon AVR 330 is locked. Can't unlock

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Posted on Feb 12, 2010

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SOURCE: HK AVR-247 protect mode

This is an indication of an internal problem. Typically this is shorted output transistors. Expect a parts cost in the $25-$40 range for this repair.

Dan

Posted on Apr 06, 2010

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1 Answer

Protect mode


thank you for the advise. i have the harmon kardon avr 3600 and was worried that i destroyed it. i will take it to a shop and get it fixed since it is a great receiver.

Jan 25, 2013 | Harman Kardon AVR 3600

1 Answer

My Harmon Kardon AVR 2600 goes to protect mode when powered up. After many tries it will fire up but at times it's up to twenty times. I did load the software upgrade 6 months and it has been fine


Check all speaker wiring for shorts, if okay! there is a problem in the audio output stage of the unit or the protection circuit is not working properly. I would suggest a pro to evaluate.

Apr 02, 2012 | Harman Kardon AVR 2600

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My Harmon Kardon AVR 500 sound doesn't work, I disconnected speakers, re connected & reset protection. Nos ound not even on test mode


Hi it is seem there is no output from your device. Please check the circuit components and wires for malfunction in your Kardon then. Regards

Feb 09, 2011 | Harman Kardon AVR 500 Receiver

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AVR amber light will not return to blue after


There is an internal reset switch mounted on the transformer board. Open the unit, look at the boards attached to the transformer, the pushbutton is facing up. Measure the voltage on the 2 pins of the switch. If it is a logic low, the switch is partially shorted. Replace the switch or just cut the jumper wire just below thw switch. When this switch fails, it constantly resets the receiver and stops it from powering up. It does not fix a protection mode problem.

Dec 01, 2009 | Harman Kardon AVR 130 Receiver

4 Answers

Harman Kardon AVR 154 OSD setup screen wont display


It will only display via component. Your HDMI firmware is either 1.1 or 1.2 and has HDCP issues (High Definition Copyright Protection) it's a firmware problem that has been fixed on all new receivers, not just a HK issue, all receivers! the new version 1.3a and 1.3b have fixed the issue. Unfortunately you cannot update the firmware on the receiver. Hope this explains it for you, sorry! Lot's of angry people out there!!! myself included.

Jun 27, 2009 | Harman Kardon AVR 235 Receiver

1 Answer

My Harman Kardon receiver ( AVR 225) displays "protect" and shuts off when I try to play anything (tape, CD, FM/AM). I unplugged receiver and reset it several times. The sam "protect" comes again.


I used the live chat and the problem was resolved.
Usually the problem are strands of speaker wires which cause shorting and protection shuts off the receiver in order to prevent damage. There was one speaker that I repositioned recently which was causing shorting. I twisted the wires and tightened them in place and my receiver has been working w/o a glitch. I was lucky that I did not have to check all the wire strands on the receiver and all the speakers.
Problem solved and I learned valuable lesson.

Dec 27, 2008 | Harman Kardon AVR 130 Receiver

1 Answer

I have a Harman Kardon AVR 235 Receiver that go's into Protect


To avoid making the avr go into protect mode when you power up your Hafler 4000 that is connected in the avr's pre-out, you must power up the set up in the correct sequence.

1. Turn off your avr
2. Connect Hafler 4000 to the avr's pre-out it it is not yet connected
3. Turn on your Hafler 4000. The avr will not go into protect mode becasue of the transients from the Hafler because it is still not powered on.
4. Turn on you avr. There should be no more transients from the Hafler at this stage unless it is not functioning correctly, so the avr shouldno longer go into protect mode.

Dec 08, 2008 | Harman Kardon AVR 235 Receiver

1 Answer

Harman Kardon AVR35


check that your speaker wires are connected properly, and none of the wires are touching. if this dosent work hold the sur mode and tune mode at the same time with the unit off(in stand by mode) and this will reset the receiver

Jun 04, 2007 | Harman Kardon AVR 55 Receiver

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