6200.800 super hot and bulges forming

[mattvisocky2003]

Last night my Tunze quit working. The driver was really hot so I was looking at that for a while. Then I noticed the transformer was hot as well. I unplugged everything and noticed 2 large bulges forming in the transformer. Glad it didn't catch fire or explode... What can I do from this point? Could it have damaged the driver as well?

 

[rvitko]

The driver is the root issue, likely despite the appearance, the power supply is fine. The power supply is 80W and a driver that has failed and has a short will draw as much as 400W. While we still have some old power supplies in stock and on clearance for $60, the drivers are no longer available. The best bet is to replace the entire pump or find a good used one for parts on eBay, etc.

 

[mattvisocky2003]

So, even though the power supply is bulging it is ok to use if I get a new driver? Do you guys repair them at all?

 

[mattvisocky2003]

Would a 7240.26 work instead of the .27?

 

[rvitko]

7240.260 is an older version, it will work for older 6000 and 6100 but not for 6200 as it cannot handle the higher wattage.

I could not say without testing it and it would be best to replace the power supply if it is more than a small lump, they do generally still work after overheating, but the sealing/potting is compromised and they are a hazard if the swelling is severe.