Tunze 3155 Help

[Oba97]

My ATO has been acting up. It is not working at all unless I unplug the power then plug it back in. When I do that, the following happens.

1. the pump turns on and starts filling my sump.
2. After about 30seconds it ramps down to no flow.
3. The controller continues to have the “pump on” lit. Even though the pump is off and the water level is good.

I cleaned the optical sensor in a vinegar/water mix but it didn’t seem to do anything.

Any suggestions?

 

[GoVols]

Any suggestions?

Yes,

Re-post your help thread in the Tunze sponsor forum and give Roger (rvitko) time to answer

https://www.reef2reef.com/forums/tunze.461/