Tunze ATO 3152 stopped working

Ecotech Marine

lclark209

Community Member
Review score
+0 /0 /-0
View Badges
Joined
Apr 17, 2012
Messages
68
Reaction score
53
Review score
+0 /0 /-0
Location
United States
So I did a water change yesterday and unplugged the ATO and return pump in my 13.5 g Evo. Did the thing and plugged it all back in but noticed this morning the ATO sensor is down and not activating the pump to do its thing. Never had a tunze ATO before, did unplugging it mess something up? Can it be fixed? I've only had it a week.
 
AquaCave Logo Banner

BanjoBandito

Well-Known Member
Review score
+0 /0 /-0
View Badges
Joined
Jul 24, 2018
Messages
616
Reaction score
770
Review score
+0 /0 /-0
Location
Butler
My Tunze sometimes has issues with the pump from the reservoir....meaning the ATO kicks on but them pump will run dry, even submerged in water. I have to "PRIME" the pump by...ahem...sucking on the end to start the flow through the pump. Try manually activating the ATO and see if you can hear it running but not sucking? If the unit isn't getting power that's another thing entirely.
 

Jeffcb

Imagine how many reef fish that Marlin ate
Review score
+0 /0 /-0
View Badges
Joined
Sep 15, 2020
Messages
4,509
Reaction score
19,625
Review score
+0 /0 /-0
Location
San Antonio, Texas
So I did a water change yesterday and unplugged the ATO and return pump in my 13.5 g Evo. Did the thing and plugged it all back in but noticed this morning the ATO sensor is down and not activating the pump to do its thing. Never had a tunze ATO before, did unplugging it mess something up? Can it be fixed? I've only had it a week.
No, that shouldn't make it malfunction. I would just call Tunze USA in Austin TX. on Monday. Telephone: (512)-833-7546
I had a problem with mine being DOA. I called and he replaced it. I can not remember his name but a nice guy. I am sure he will help you.
 
OP
L

lclark209

Community Member
Review score
+0 /0 /-0
View Badges
Joined
Apr 17, 2012
Messages
68
Reaction score
53
Review score
+0 /0 /-0
Location
United States
My Tunze sometimes has issues with the pump from the reservoir....meaning the ATO kicks on but them pump will run dry, even submerged in water. I have to "PRIME" the pump by...ahem...sucking on the end to start the flow through the pump. Try manually activating the ATO and see if you can hear it running but not sucking? If the unit isn't getting power that's another thing entirely.
I don't think it's getting power at all. I've heard the pump kick on when it was working and it's not exactly quiet.
 
OP
L

lclark209

Community Member
Review score
+0 /0 /-0
View Badges
Joined
Apr 17, 2012
Messages
68
Reaction score
53
Review score
+0 /0 /-0
Location
United States
No, that shouldn't make it malfunction. I would just call Tunze USA in Austin TX. on Monday. Telephone: (512)-833-7546
I had a problem with mine being DOA. I called and he replaced it. I can not remember his name but a nice guy. I am sure he will help you.
Appreciate the info. Definitely will give them a call if I can't figure it out. Thanks
 
Reef Chasers Aquaculture
OP
L

lclark209

Community Member
Review score
+0 /0 /-0
View Badges
Joined
Apr 17, 2012
Messages
68
Reaction score
53
Review score
+0 /0 /-0
Location
United States
Roger over at tunze helped me out. Turns out on the smaller, thinner tanks the magnets that hold the sensor to tank, can interfere with the sensor itself. So added a spacer between the glass and outside magnet and we're back in business.

Hooray!
 

Jeffcb

Imagine how many reef fish that Marlin ate
Review score
+0 /0 /-0
View Badges
Joined
Sep 15, 2020
Messages
4,509
Reaction score
19,625
Review score
+0 /0 /-0
Location
San Antonio, Texas
Roger over at tunze helped me out. Turns out on the smaller, thinner tanks the magnets that hold the sensor to tank, can interfere with the sensor itself. So added a spacer between the glass and outside magnet and we're back in business.

Hooray!
Roger, thats his name. Nice guy. Glad it worked out.
 
Buckeye
Top