DeLonghi 6507L Oil Filled Radiator Heater Logo

Question about DeLonghi 6507L Oil Filled Radiator Heater

2 Answers

DeLoghi Oil Filled heater

My heater is making clicking and poping noises when I turn it on. Am I at any risk? Do I need to replace my heater?

Posted by Erica Downing on


2 Answers


I have had a couple of different brands of column heaters and they have all made that clicking sound when turned off. Once the 'cooling down' time of the heater is do the 'clicks'.

Posted on Jul 15, 2008


Yitz Diss

  • Level 1:

    An expert who has achieved level 1.


    An expert that gotĀ 5 achievements.


    Visited the website for 3 consecutive days.


    An expert whose answer gotĀ voted for 20 times.

  • Contributor
  • 9 Answers

No need to replace. There's a loose wire/connection somewhere. Have someone with good hands open the control box and tighten. I would not suggest using it in the present condition.

Posted on Sep 03, 2007

  • Brandon Denney
    Brandon Denney Dec 18, 2016

    Most likely not a loose wire. The noise is caused by the metal expanding when being heated up. Will slow down to a stop once it fully heats up



Add Your Answer


Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:


I have just purchased a DeLonghi oil heater and it is making a clanking noise for about 7-10 seconds intermittently. Not the clicking on and off noise, it happens when I have turned it down.

By oil heater I presume you mean an oil-filled electric radiator?

Heating causes expansion of the metal and when it is cooling there are often metallic noises generated as it shrinks at different rates and the various components move against each other but I have never heard the noises described as a clanking.

The noises would be similar to those made by recently driven cars or motorcycles as they cool, often producing loud "ticks".

As it is a new heater, if you think the noise is abnormal you should contact the retailer.

Why is the plug making a noise when the radiator is on

There will be a loose connection in either the plug or the socket. I would strongly recommend you stop using the appliance, as there is a risk of fire. You should have both the plug and socket replaced with quality parts by a qualified electrician.

Oil filled heater won't heat up. It does turn on and the light illuminates but no heat. I't been in basement for the summer.

Could be that the thermostat is disconnecting because it senses too warm.

Plug the heater to the wall, turn on the switches.
Turn the thermostat knob all the way to min. It should make a click sound and the heater should not get warm.
Turn the thermostat knob all the way to max. It should make a click sound and the heater should get warm.
If the heater is still not warming up and/or you don't hear clicks, then the heater has bigger a problem.
With the cheap prices of the heaters, it is not worth trying to have an electrician check it out. Just buy a new one.

My oil filled heater is making a buzzing noise every 15 minutes or so what wrong with it?

Probably the thermostat contacts have become worn and a certain amount of arcing is happening when they close.

Replacement thermostat units used to be easy to change and were readily available for quality domestically manufactured oil filled radiators but these days it would probably be cheaper to buy an imported heater. You wouldn't lose by asking your local supplier and if they are still available check the internet price.

It would be wise to check the wiring and internal connections before junking it.

Action-Aire AA150 Oil Filled Electric Heater. I am wanting to use this heater but I have two questions: firstly, there are two control buttons (with a light indicator on them) do i need to put on both for...

Oil in these heaters is not supposed to sizzle. So, I don't think it's the oil. Something else is probably making the sizzling noise and that's what concerns me. As this type of heater literally makes no noise. What you hear may be a short in the wiring of the heater. In which case, it's unsafe to use.
You didn't mention if the heater is new or that you've had it for sometime, but in either case, I would recommend not using it. If it's new, then it's still under warranty and you have some recourse. Check your Owners Manual for details on how to handle this as a warranty issue.

Not burning properly

This is a common problem with these heaters.Most of these heaters are identical and the parts are interchangable. I have a tip which explains how to solve the problem and where to get the parts at .Let me know if you need more help.

Thanks for using FixYa and for the generous rating.


Delonghi TRN1015T wiring diagram

Just wondered how you learned to turn off the timer.
Not finding what you are looking for?


Ask a Question

Usually answered in minutes!

Top DeLonghi Heating & Cooling Experts

Paul Carew

Level 3 Expert

3721 Answers

Cindy Wells

Level 3 Expert

6450 Answers

Ronny Bennett Sr.
Ronny Bennett Sr.

Level 3 Expert

6963 Answers

Are you a DeLonghi Heating and Cooling Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides