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3kVA Hybrid solar Inverter cooling fan settings


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My setup:

ACDC 3kVA "Hybrid solar inverter (MPPT Controller) with 2 x 105A batteries (no solar panels installed). The cooling fans comes on totally random whether it is cold or hot middle of night or day. This wasn't the case when it was originally installed. The problem is this thing is installed in our house and the noise of the fan is driving me nuts. I read something about a setting on the inverter that controls the fan "temperature vs load". How do I access this setting if it exists at all? Anyone please advise me on what to do.

IMG_20200921_103004_resized_20210122_102127358.jpg

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On 2021/01/22 at 2:39 PM, YellowTapemeasure said:

Have you approached ACDC at all? What do they advise?

Yes I have contacted ACDC (Strydom Park branch where I bought the items). They gave me a number to phone (technical department) and the technician said ACDC do not do callouts. I have to use one of their accredited installers and pay myself for the callout. That "installer" was "Greenleaf Alternative Solutions". I made a decision at that point that the R1000 callout fee might be justified specially if it will once and for all sort out the problem. The 'installer" was here and played around with the menu of the inverter but that is all. The fan still comes on randomly regardless of load, temperature or time of day. 

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13 minutes ago, Albert Olivier said:

Yes I have contacted ACDC (Strydom Park branch where I bought the items). They gave me a number to phone (technical department) and the technician said ACDC do not do callouts. I have to use one of their accredited installers and pay myself for the callout. That "installer" was "Greenleaf Alternative Solutions". I made a decision at that point that the R1000 callout fee might be justified specially if it will once and for all sort out the problem. The 'installer" was here and played around with the menu of the inverter but that is all. The fan still comes on randomly regardless of load, temperature or time of day. 

Is the unit still under warranty? If so, can't you request that they arrange for a loan unit to be installed and take the old one back to their lab for diagnostics? An intermittent problem is hard to find, and if you cannot reproduce the problem then it is time that the unit was placed on a lab bench and monitored under load for a few days.  

You cannot be expected to keep paying R1000 callouts that do not rectify the problem.

 

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