Corrosion arcing or dirt in the connection will cause resistance which will in turn cause heat.
Plug on fan heater gets hot.
If the cord plug gets hot at the plug strip problem is the plug cord.
A plug that is hot to the touch may pose fire and electrical shock hazards.
If i plug one in the heater s plug gets hot.
If you are overly concerned contact delonghi.
Many of the smaller ones are 2 5kw or less.
I should blame the campground then open the box and hose it down to cool it off.
The black paint on the grill may be wearing off over time due to heat.
Since it s still winter time let s start with one dealing with using a space heater.
3kw is quite powerful for a fan heater.
However just plugging it into a plug strip will not help and because of the longer cord will waste more electricity in cord heating and you will get even less heat out of the portable heater.
Ok that might be a little much.
Try replacing plug socket and the fuse in the plug with a good brand.
Using a amp clamp to read amps.
Similarly overheated plugs can damage the insulating material around the plug s prongs or electrical cord wires.
Portable heater plug gets hot.
Check plug wires circuit breakers and outlet for security and function.
The third pin is for an earth connection and if the fan heater is plastic it will not require an earth.
How long have you had the fan heater.
If the cord is hot the entire length there is a problem with the heater.
If the plug end is hot and the cord is progressively cooler toward the heater the problem is a lack of continuity in the plug or wall outlet.
Immersion heaters are wired in because they operate for hours at a time a fan heater should cycle on and off with its thermostat.
If an overheated plug is near flammable materials such as curtains wood furniture or paper then the plug can ignite those materials starting a fire.