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Vornado heater shuts off on high

Heater only works on low...shuts off as soon as i turn it to high. i cleaned out all the dust.

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Posted on Jan 02, 2017

  • 8 Answers

SOURCE: vornado heater doesn't work on high setting but only at low setting

Dust on the inside of the unit can cause the overload switch to shut many vornados down. Blowing the dust out of the unit with compressed air or a blower may help.

Another problem that causes vornados to stop working (light on - no heat no fan) is when one of the bearings starts to go bad in the unit. This causes the fan to be slower and less effective and the unit’s inability to move the heat away from the thermal overload switch again causes it to shut down.

Though you could remove the front and rear bearings and try to get replacements if it's even replaceable ... Once the bearing starts to go bad there is little that can be done ... HOWEVER, here is one solution to get more life out of the unit.

First, use a blower to blow all the dust out of the unit.
Then, because it is typically the front bearing that goes bad first, lay the vornado on it’s back (so the unit would be blowing air up toward the ceiling), this will relieve the front bearing somewhat and rely more on the rear bearing which tends to last longer.

The vornados I’ve had are all thermistor units ... that is, they don’t just turn on and off when the set temp is reached but in fact slow themselves down (both heat and fan) to keep some level of air circulation in the room. This is a good thing by the way.
There are usually two toggle switches .... one is a heat switch - usually Low & High .... the other is the thermistor switch (this sometimes is labeled “fan”) - usually Auto & High.

Once the unit is on its back ... Now, change the settings as follows:
Turn the Heat switch to LOW
Turn the Fan switch to HIGH
Turn the dial (with the temperature in degrees on it) to the lowest setting - which is somewhere around 60’ish.

Now turn the unit on and it should stay working.
Three things that could cause it to turn back off ...
You turn the Fan switch back to Auto.
You turn the Heat switch back to High
You turn the temperature selection dial too high ... though, you can cautiously turn the dial up a few degrees at a time ... the unit will start shutting down again when you set the temp too high ... then just dial it back down ... unplug for a couple minutes, then turn back on.

Posted on Dec 12, 2008

directcurent
  • 59 Answers

SOURCE: Vornado VH2 stopped working. on/off not functioning

if it is a rocker type switch replace the swich

IMPORTAINT make shure switch it is replaced with is rated at 15Amps

Posted on Jan 19, 2009

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1 Answer

Static electricity


From what you have said, I am guessing that you shorted out the little controller chip(s) on the circuit board. Some of the Vornado heaters are serviceable by the company but you would have to check your model number. They have a live chat that can tell you if you go to Vornado.com and click on support you will see it.

Mar 17, 2014 | Vornado Heating & Cooling

1 Answer

It turns on, but within 5-8 seconds it makes a slight popping noise, I see a small flash and it no longer is heating. The fan does not begin turning usually. Once in awhile the fan will start, but soon...


About your Vornado space heater;

I had one of these Vornados, with a similar problem. It developed a short.

myairfixer.jpg
Your heater may have a "snap-disk" like the picture, or snap style thermostat and flashes when it shuts off.

You see that flash because it's nearly shorted out, permanently. When an electrical device begins to deteriorate, or go bad, there is usually some tell-tale sign and the flash is it.

The flash definately means a short one way or another. It probably got a bit overworked, the thermostat has taken on some damage.

This might be because of a worn out cord, too weak a power supply or too small of an extention cord. Avoid extention cords with space heaters.

Either the thermostat is shorting out, or there is some other short inside.

You have about a 50% chance of fixing it though, if you have some hand tools, a soldering iron and electrical solder.

You'll need to diagnose the bad part, order it and replace it. These are tedious heaters to repair for a novice, but usually repairs will give extra life to an otherwise useless machine.

But then again, we don't know the problem exactly yet. Do we?

Step one; decide to diagnose or dispose of the unit.
Step two; order the parts or make appropriate repairs.

Luck to you.

Dec 23, 2010 | Vornado EH1003406 Electric Compact Heater

1 Answer

My heater is about a year old. I've used the fan setting during the summer but recently when turning on the heater a strong odor permeates the room and sets off my smoke detector. Is it simply...


It may well just be accumulated dirt,dust,lint, or pet fur but if it does not stop soon I would remove covers or filter or whatever to get to heat source and either vacumn out or blow out with air. It's hard to be real specific as I don't have much information about your heater. If you want to give me more information I would be happy to try to help you. Thanks.

Dec 09, 2010 | Vornado Heating & Cooling

1 Answer

The heater turns on for a few minutes then shuts off


I had the same problem with on of these and I took an air hose and blew all the dust out of the unit and it has worked fine since. I will let you know if it starts having the problem again.

Bill H

Oct 14, 2010 | Vornado REH1-0001-01 VortexHeat Compact...

1 Answer

Heater shuts off as soon as the room is warm


I take it once the temp is set to 71, and the ambient temp reaches 68 or so, it shuts off, never to come on again?

If that is true the thermostat in the unit is damaged, worn out or in need or replacement, but try a couple tricks.

First, if there are access panels to clean, clean it per the manual, it could be that a dirty filter or air inlet is confusing the thermostat.

Next, unplug the unit for at least 5 minutes, try it again.

Next set the unit on it's highest temp and blower setting, let it rip for 20 minutes, shut it down, unplug and remain unplugged for 5 minutes.

Next set the unit at 71 HIGH MODE.

see if we have a mode switch problem or thermostat if it works on high mode, it is not the thermostat, but I imagine it is, but I am curious as to if it once goes off, it never again comes back on?

Will

Dec 01, 2008 | Bionaire BCH-4138 Ceramic Compact Heater

2 Answers

Vornado heater doesn't work on high setting but only at low setting


Dust on the inside of the unit can cause the overload switch to shut many vornados down. Blowing the dust out of the unit with compressed air or a blower may help.

Another problem that causes vornados to stop working (light on - no heat no fan) is when one of the bearings starts to go bad in the unit. This causes the fan to be slower and less effective and the unit’s inability to move the heat away from the thermal overload switch again causes it to shut down.

Though you could remove the front and rear bearings and try to get replacements if it's even replaceable ... Once the bearing starts to go bad there is little that can be done ... HOWEVER, here is one solution to get more life out of the unit.

First, use a blower to blow all the dust out of the unit.
Then, because it is typically the front bearing that goes bad first, lay the vornado on it’s back (so the unit would be blowing air up toward the ceiling), this will relieve the front bearing somewhat and rely more on the rear bearing which tends to last longer.

The vornados I’ve had are all thermistor units ... that is, they don’t just turn on and off when the set temp is reached but in fact slow themselves down (both heat and fan) to keep some level of air circulation in the room. This is a good thing by the way.
There are usually two toggle switches .... one is a heat switch - usually Low & High .... the other is the thermistor switch (this sometimes is labeled “fan”) - usually Auto & High.

Once the unit is on its back ... Now, change the settings as follows:
Turn the Heat switch to LOW
Turn the Fan switch to HIGH
Turn the dial (with the temperature in degrees on it) to the lowest setting - which is somewhere around 60’ish.

Now turn the unit on and it should stay working.
Three things that could cause it to turn back off ...
You turn the Fan switch back to Auto.
You turn the Heat switch back to High
You turn the temperature selection dial too high ... though, you can cautiously turn the dial up a few degrees at a time ... the unit will start shutting down again when you set the temp too high ... then just dial it back down ... unplug for a couple minutes, then turn back on.

Oct 22, 2008 | Vornado EH1-0014-01 Compact Heater

1 Answer

Blinking lights. Shuts off.


Hello, Mne was also shutting down. Turns out that is was clogged with dust, therefore overheating and turning it self off. If you're handy, you may want to open the heater and dust it off with a can of compressed air. 
Worked for me.

Oct 02, 2008 | Lasko 5132 Ceramic Compact Heater

2 Answers

No Heat!


Sometimes too much dust around the heating elements can cause the heater to switch off to prevent a fire. Check for dust build up first. You can try using a can of compressed air that can be found at many electronic stores.

Oct 26, 2007 | Vornado EH1-0014-01 Compact Heater

1 Answer

Lasko 5365 Ceramic Compact Heater Troubleshooting Forum.


Try taking a can of compressed air and spray in the vents in the front and the back of the heater. The heater has a sensor that gets dusty and causes it to shutoff to prevent overheating.

The heater should function properly once the dust is blown off the sensor.

Good luck!

Dec 02, 2006 | Lasko 5365 Ceramic Compact Heater

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