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Posted on Jan 02, 2017
SOURCE: heater keeps shutting off !!
I have model 5532, but I think they all have the same problem. There seems to be a safety device in the ceramic heater that turns off if it gets too hot. It "remembers" when this happens as well and will shut off until it is unplugged for 10-15 minutes.
This happens on even lightly used heaters if used in dusty conditions. Dust builds up behind the ceramic heater and the lack of flow causes it to overheat. The unit must be dismantled and the dust brushed/vacuumed out. The good news is that not only will the heater work again, but it will have better airflow too!
To do this, tech support and other people say to "clean the rear grill", but my rear was not dirty. The front grill had some dust that I vacuumed clean, but did not help. In my unit there are no filters before the air goes through the heater element. The problem is in the center of the heater. Taking out the internal fan (four screws on the sides of the squirrel fan box), I could see that the radiator was over half covered in dust. I cleaned that dust out using a shop vac and the problem went away.
Opening the heater was a little tricky, two of the screws were triangle head screws. Once inside, however, it is a simple proceedure to remove the fan. Of course, you should unplug the heater and wait a while before opening it up to make sure there are no electrical charges stored in the unit.
Posted on Apr 05, 2008
Depends what is actually wrong with fan, if tis the blower barrel part you can by replacements but if its the fan and you van't find manufacturer try an commercial or indutrial fan place to match the one you have be careful to make sure that it is electrically compatible and that it will connect to heater safely and do as old fan did as fan speeds on heaters can be important
Posted on Nov 18, 2010
The switch itself is a (double pole single throw ) 15 amp 250 volt /20 amp 125 volt.You can buy any switch like that.The hard part is trying to find the same size to fit the hole in the heater.
Posted on Nov 24, 2010
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