Denon Protection Mode Reset and Quick Fixes

Norvan Martin
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Denon receivers are great, no-frills budget devices that can automatically go to protection mode to prevent damage. When this happened, you need to know how to identify the Denon light of death and fix it. Keep reading for all the critical tips you need to resolve the issue and improve your entertainment experience.

What Is Denon Protection Mode?

As the name suggests, the Denon protection mode is designed to protect your Denon receiver from costly damage. When the receiver detects abnormal operating conditions that can damage your amplifier or any component of your home theater system, the protection mode switches on to reduce the risk.

This normally happens when there is a dead short in a speaker wire. It can also happen if you use very low-impedance speakers at high volume for an extended length of time. The low-impedance speakers will put a heavy power demand on the receiver.

Why Does My Denon Receiver Keep Shutting Off

Your Denon receiver can keep shutting off if you use lower impedance speakers at high volume for an extended period. Denon Receiver Keep Shutting Off

The unit can also experience this problem if there is a dead short in your speaker wires. Other than impedance issues, it can also keep turning off if you have a bad speaker.

Some physical and software issues can cause the same problem.

Denon Red Light of Death

The Denon red light of death refers to the “Protection” light that comes when the unit senses an unusual operation that might destroy it, the amp, and your speakers. If you are using an older model of Denon AV receiver, you’ll likely see the word “Protect” on the receiver’s display instead of the light.

If you have one of the more current Denon receiver models, you’ll see the red light of death. It’s the red flashing light on the Standby LED.

Check out our article on the Denon receiver turning off and blinking red issue.

How to Fix Denon Protection Mode

The problem’s underlying cause determines the tips you should use to fix your Denon protection mode. In a thermal case, you can wait for a few minutes for the circuitry to cool down and reset automatically. Once the Denon red light of death goes out, you can safely resume your normal operations.

It would help if you also considered placing the receiver in an open space where fresh air flows freely to avoid repeating the same.

If the issue persists, you should follow the steps below.

1. Check Your Wire Connections

Here are the simplest steps you should follow to check your connections successfully:

  1. Turn off the receiver to reset it.
  2. Check all the system’s wire connections.
  3. Turn on the receiver.
  4. If the protection light goes on immediately, disconnect the speaker wires.
  5. Retest the receiver.
  6. If the Denon receiver death light doesn’t appear, consider replacing your speaker wires or speakers (at least one of them could be the problem).

2. Factory Reset the Receiver

In case you have followed the steps above but can still see the Denon Protection light, you should initialize the microprocessor. It will erase all setup configurations that are in your system. This means you will have to set up the system again after completing the process. To be safe, be sure you mark down your settings before embarking on the initialization process.

3. Call an Authorized Repair Expert

If you’ve done the reset without success, you could be a victim of a hardware issue. Get in touch with an authorized expert to make the necessary repairs.

How Do I Factory Reset My Denon Receiver?

We’ve seen that sometimes you may have no way to fix Denon Protection Mode other than factory resetting it or initializing its microprocessor. If you want to know how to do it, read on for the exact steps below.

1. Turn Off the Receiver

Press the power button until the receiver turns off. Please avoid using the remote since it can only place in standby mode. Ensure the lights on the front panel are off before proceeding to step two below.

2. Consult Your Owner’s Manual

Find the factory reset instructions for your model in your owner’s manual. The procedures are almost 100% the same for all Denon receivers. However, the buttons you press to initiate the process are not the same for most models.

For example, to reset your Denon X4000 receiver, you should long-press the “Back” and “Info” buttons as you press the power button.

If you have the E200, you should long-press the “Source Select 0” and “Source Select 1.” For the AVR-1312, you should press and hold the “8” and “9” buttons along with the “On/Standby” button. If you can’t access these buttons for any reason, you should open the panel on the receiver’s front. If you have a different Denon receiver model, the safest way out is to consult the manual.

3. Release the Buttons.

As soon as the display starts flashing, release the buttons. If the display isn’t flashing at roughly one-second intervals, go back to the first step and repeat the entire process.

4. Reprogram Your Settings

Power on the receiver and ensure you’ve entirely erased the memory. If everything is fine, you’ll see several random frequencies, not your custom settings. After that, you should follow the on-screen prompts to reprogram your settings quickly.

How Do I Reset My Denon AVR x3300?

The Denon AVR x3300 is one of the most common receiver models today. Many users want to know how to reset it quickly when they can’t perform any operation, or the display is not correctly working.

As we’ve said above, the procedure for resetting Denon receivers is almost the same. So, you shouldn’t worry about anything if you have Denon AVR x3300 that has the issues outlined above. Here are the right steps you should follow to factory reset it fast:

  1. Turn the receiver off using the Power button.
  2. Press and hold the power button while pressing the TUNER PRESET CH – and TUNER PRESET CH+ simultaneously.
  3. When the word “Initialized” appears on the display, remove your fingers from the buttons.

Please note that you can use the web control function’s “Save” feature to store your unit’s various settings before restoring the default settings.

The following suggestions elaborate on what you can do to reverse the situation at hand. 

Give Receiver Some RestA possibility that your receiver might be overheating is something that we can rule out, in which case the circuitry by design resets after a few minutes of cooling down. In this scenario, the protection light goes out after a while rendering your receiver reusable again. 

1. Turn off the Power and Check the Connections

When factors like low impedance condition, lousy speaker, or even a short speaker wire trigger the appearance of a protection light, you will need to turn off the receiver and restart it. You should check all wire connections to and from the speaker; alternatively, if you turn on the receiver and realize that the protection light is going on, disconnect the speaker wires at the receiver side before retesting.

2. Initialize the Microprocessor

Upon taking the above steps and the problem persists, you need to initialize the microprocessor and reset your device by extension. Not sure about the procedure? Please consider revisiting the manufacturer’s manual. 

3. Take Your Receiver For Repair

Lastly, if you are incapable of resetting the device, you are left with one more option; to take the device to an authorized repair center to get your device restored to working condition. 

How Do I Exit Out Of The Initial Setup Menu?

This is the simple procedure to exit the Initial Setup menu. Press the “BACK” button, select “YES,” and then press “ENTER,” that way, you are done. 

How Do I Access Denon Settings?

To access GUI or OSD menu, you would be required to press the “Menu” or “Setup” button on the remote. In case you are using older Denon receivers, you would press the “System Setup” or “Setup” button depending on the model’s age.

Can I Control My Denon Receiver With My Phone?

Yes, you can. The “Denon 2016 AVR Remote App” is now available for download. You can also download the “Denon 2016 AVR Remote App” for Denon 2015 AV receivers/pre-pro at the App Store or Play Store for iOS and Android devices.

Can I Setup Denon Receiver Without TV?

Of course, yes, you can. You do not need a TV for use on the unit. You can skip the setup assistant by pressing the BACK button on your remote and following the guide to exit the setup assistant.

Summing Up

Now you can fix your Denon Protection Mode issues with ease whenever you encounter the issue. It will help if you start by troubleshooting the problem and using the tips above to fix it. If you’ve done that without success, follow the procedure we’ve shared here to factory reset it.

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Norvan Martin is the founder of He is a professional Electronics Engineer and is passionate about home theater systems and AV electronics. BoomSpeaker was created as an online hub to share his knowledge and experiences as it relates to home theaters and home audio electronics. My email: [email protected]  Connect on Pinterest and Linkedin