Tunze ATO 3155.
Was working fine for the past 4 months.
Suddenly. Acting up.
Constant beeping at every 3 seconds with ALL lights turning on when it beeps.
Any idea what causes this?
I have cleaned the sensors. The float switch. And the wiring and the tubes. But no luck.
Even opened the box and air canned it to ensure no dust or moisture.
Replaced power supply as well.
Please help if you know what’s up and what I can do here.
Was working fine for the past 4 months.
Suddenly. Acting up.
Constant beeping at every 3 seconds with ALL lights turning on when it beeps.
Any idea what causes this?
I have cleaned the sensors. The float switch. And the wiring and the tubes. But no luck.
Even opened the box and air canned it to ensure no dust or moisture.
Replaced power supply as well.
Please help if you know what’s up and what I can do here.

