View Full Version : Water 300 controller alarm problem

25-11-2015, 09:42 AM
Hi all ,

I have problem with Climaveneta chiller/heat pump and the controller

The machine use Water 300 controller .

And now shows :
AL:003 Evaporator pump thermal protection

After i reset the alarm manually it shows it again and again .

Any idea what to do ?

25-11-2015, 01:40 PM
Check pump motor and contactor reset overload check running amps

25-11-2015, 03:30 PM
Could be a thermistor in the pump motor winding.

See if there extra 2 wires in the motor connection box.