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25-11-2015, 09:42 AM #1
improving poster
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- Feb 2010
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- Bulgaria
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Water 300 controller alarm problem
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 ?
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25-11-2015, 01:40 PM #2
Senior Poster
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- Oct 2009
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- england
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Re: Water 300 controller alarm problem
Check pump motor and contactor reset overload check running amps
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25-11-2015, 03:30 PM #3
Moderator
Site Moderator : and general nice guy
- Join Date
- Sep 2003
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- ISRAEL
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Re: Water 300 controller alarm problem
Could be a thermistor in the pump motor winding.
See if there extra 2 wires in the motor connection box.
