Tunze 3155

Jrod381 · May 26, 2020

Need some help, I have a had a Tunze osmolator 3155 for around 2 months. I noticed over the weekend it is no longer maintains my levels for my ATO. It looks as if the sensors are working properly but when it get low the pump seems to not be working.

is there a way to reset the pump or troubleshoot so I can get it working again oris the pump no longer any good since I do not see a way to take it apart?

Water Dog · May 26, 2020

To troubleshoot... try pushing the entire magnet mount down, submerging the sensors until the secondary float switch is submerged and you get the audible overfill alarm. Then slowly slide the entire magnet assembly up until the optical eve is out of the water... see if that triggers the pump to start filling.

TerraFerma · May 26, 2020

Send Roger at Tunze an email

Jrod381 · May 26, 2020

TerraFerma said:
Send Roger at Tunze an email

Yea I just used something to move the motor and that’s when it will move for a little but then seems to stop. Looks like the motor is locking

Jrod381 · May 26, 2020

Jrod381 said:
Yea I just used something to move the motor and that’s when it will move for a little but then seems to stop. Looks like the motor is locking

do you have Rogers email?

Aquavaj · May 26, 2020

Are you running kalk through your ato?

Jrod381 · May 26, 2020

Aquavaj said:
Are you running kalk through your ato?

No strictly RODI in my ato reservoir

Water Dog · May 26, 2020

Is the pump air locked? Try flipping the pump upside down beneath the surface of the water in the ATO reservoir to see if any trapped air gets released. Often, when an ATO reservoir is allowed to run dry, the pump will get air locked until you flip the pump upside down for a moment to release any trapped air. Once the air is purged, the pump should operate normally.

Jrod381 · May 27, 2020

Water Dog said:
Is the pump air locked? Try flipping the pump upside down beneath the surface of the water in the ATO reservoir to see if any trapped air gets released. Often, when an ATO reservoir is allowed to run dry, the pump will get air locked until you flip the pump upside down for a moment to release any trapped air. Once the air is purged, the pump should operate normally.

thanks I will try that to see what happens

Jrod381 · May 28, 2020

Tried all the trouble shooting could here the motor humming yet the propeller would not move. Reached out to Tunze customer service and they are sending me a new pump. I hope this is not gonna be constant