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user_o5nl9s
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Saturday, March 29th, 2025 5:41 PM

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Loud buzzing noise coming from input output box

We have white Input output box located in circuit breaker style box in our house that is making a loud buzzing alarm (?) noise every morning. Recently instructed to install new Gateway router. Successfully done, But the daily buzzing/alarm noise persists. Model info on the white box includes PPC Active return EV 01–5 – U/U entry series.

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Updated 

21 days ago

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Accepted Solution

user_o5nl9s

5 Messages

21 days ago

All problems resolved!!  A fabulous technician came to the house and replaced the aging parts.  Grateful for the is forum… doubtful I could have gotten the help I needed so quickly without all of you.

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XfinityPeterH

Official Employee

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1.8K Messages

28 days ago

 

user_o5nl9s 

I'm sorry to hear about the buzzing noise issue with your PPC Active Return EV 01–5 – U/U entry series box. That sounds quite disruptive, especially with it happening every morning. Let's see if we can figure out what's going on and find a solution.

Possible Causes and Solutions
Power Supply Issues: The buzzing noise might be related to the power supply. Ensure that the power connections are secure and that the power supply is functioning correctly.
Signal Interference: Sometimes, signal interference can cause buzzing noises. Check if there are any nearby devices that might be causing interference.
Faulty Equipment: The box itself might be faulty. If possible, try to get a replacement or have it inspected by a professional.
Steps to Troubleshoot
Check Connections: Make sure all cables and connections are secure. Loose connections can sometimes cause buzzing noises.
Restart the Device: Try unplugging the box for a few minutes and then plugging it back in. This can sometimes reset the device and resolve the issue.
Inspect for Damage: Look for any visible signs of damage on the box. If you see anything unusual. 

If all this does not help please let us know. 

 

5

user_o5nl9s

5 Messages

This SUPER helpful advice and I’m going to wait until tomorrow morning to try your recommendations “while” it’s making noises.  Thankfully it’s Old Faithful regular in its daily noise making/timing.   I will report back, because if that doesn’t remedy I have no clue how to “describe” my problem to get through the automated customer service to speak to a live human.  Really appreciate your prompt response here.

27 days ago

0

XfinityLinda

Official Employee

 • 

1.8K Messages

@user_o5nl9s Sounds like a plan. We'll be here. Just reach out at your convenience.

I am an Official Xfinity Employee.
Official Employees are from multiple teams within Xfinity: CARE, Product, Leadership.
We ask that you post publicly so people with similar questions may benefit from the conversation.
Was your question answered? Please, mark a reply as the Accepted Answer.tick

27 days ago

user_o5nl9s

5 Messages

Good morning!  Followed your excellent suggestions, and the noise definitely stops when I unplug it!  The space inside the "breaker box" is small enough that it's still hard to tell 100% if the actual noise comes from the block that I'm plugging in or the white PPC Active return box that all the cables attach to, but my money is on the block plug itself, which I would assume needs to be replaced? (this equipment is at least 13 years old?)  I unplugged (enjoyed the silence!!!), waited 5 minutes, and the second I plugged it back in the buzzing noise started up.  (can I post video, and would that help?)  Now the million dollar question, is how [Edited: "Language"] to I reach someone to schedule a home visit from a human Xfinity technician, and to explain my problem so that they show up with the needed equipment to repair/replace on the first visit?  I have had no luck navigating the customer service options via phone or chat... I just keep getting the AI loop and it asks me if I want help troubleshooting.  I don't know the "right words" to describe my issue, and technically my service is still working.  (and where we live, if it's not working, we don't have strong enough cell service to get online to try and contact xFinity via the app... nasty little Catch-22)  I'm truly grateful for your help here.  How can I schedule an appointment for someone to come replace this faulty/noisy block plug?

(edited)

27 days ago

XfinityPeterH

Official Employee

 • 

1.8K Messages

 

user_o5nl9s 

Good morning!

Thank you for following the suggestions and providing such detailed feedback. I can understand how frustrating it must be to deal with this persistent noise, especially when it's difficult to pinpoint the exact source. Given that the equipment is over 13 years old, it does sound like the block plug might need to be replaced.


To help you schedule a home visit from an Xfinity technician and ensure they come prepared with the necessary equipment, please send us a direct message with your full name and complete address. We'll do our best to arrange an appointment for you.

How to Send Us a Direct Message:

  1. Click "Sign In" if necessary.
  2. Click the "Direct Messaging" icon or visit Xfinity Direct Messaging.
  3. Click the "New message" (pencil and paper) icon.
  4. In the "To:" line, type "Xfinity Support".
  5. As you type, a drop-down list will appear. Select "Xfinity Support" from that list.
  6. An "Xfinity Support" graphic will replace the "To:" line.
  7. Type your message in the text area near the bottom of the window.
  8. Press Enter to send it.

For an example of how to send us a Direct Message, check out this link.

https://forums.xfinity.com/conversations/email/cant-create-a-new-email-address/605e52b726aa974d63032d02?commentId=606107ea738c7f46a02b830e

Posting a video could is not needed but we appreciate your offer and willingness. 


Thank you for your patience and for being an Xfinity customer. We're here to support you and will do everything we can to resolve this issue.


Looking forward to your message!

 

I am an Official Xfinity Employee.
Official Employees are from multiple teams within Xfinity: CARE, Product, Leadership.
We ask that you post publicly so people with similar questions may benefit from the conversation.
Was your question answered? Please, mark a reply as the Accepted Answer.tick
I am an Official Xfinity Employee.
Official Employees are from multiple teams within Xfinity: CARE, Product, Leadership.
We ask that you post publicly so people with similar questions may benefit from the conversation.
Was your question answered? Please, mark a reply as the Accepted Answer.tick

27 days ago

user_o5nl9s

5 Messages

Thank you!!  I just sent a direct message and eagerly await a reply.  Will they be able to reference this whole discussion or should I attempt to cut/paste the highlights?

26 days ago

0

EG

Expert

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110K Messages

21 days ago

Closing marked *Solved* topic.

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