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yrys asked

Quattro inverter fan running constantly

Quattro 10000 fan constantly on, temperature in room around 8 centigrade. Shouldn't it be only coming on if it gets hot?

quattro 10kva
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wkirby avatar image wkirby ♦♦ commented ·
How much load is on the Quattro?
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yrys avatar image yrys wkirby ♦♦ commented ·

About 5 amps

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kevgermany avatar image kevgermany ♦♦ yrys commented ·
Does the fan shut off if uou remove the load?
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yrys avatar image yrys kevgermany ♦♦ commented ·
No it doesn't shut off. And now the inverter has completely stopped working even though the ambient temperature is 6 centigrade. What is the problem?
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yrys avatar image yrys commented ·
İt's impossible for the inverter to be hot. The ambient temperature is now 5 c and the inverter has been off for a few hours. When I switch it on it refuses to invert and the temperature light flashes.
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2 Answers
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yrys answered ·

İs there way to bypass temperature cut off

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nickdb avatar image nickdb ♦♦ commented ·
If it won't ruin your warranty, something may have come loose inside the unit during transport.

May be worth popping the cover and checking.

Else just better to return to the supplier for a replacement.

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kevgermany avatar image
kevgermany answered ·

Sounds like a fault in the unit. Please contact your dealer.

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yrys avatar image yrys commented ·
I left it off all night and switched it back on in the morning and it's working now. But the fan comes on again for no good reason.
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wkirby avatar image wkirby ♦♦ yrys commented ·
Another idea. Are there any airflow obstructions or is the unit dirty inside?

I have seen instances where there is a lot of dust or dirt on the heatsinks inside and the fan has much less effect than it should. This would also cause the fan to come on sooner than expected.

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yrys avatar image yrys wkirby ♦♦ commented ·
I don't think so as the air is blowing freely out of the top and the air is freezing cold. I'm wondering if it's a faulty temperature reading inside the unit.
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wkirby avatar image wkirby ♦♦ yrys commented ·
Faulty temperature reading, I did start to think something like that or maybe some other kind of fault inside.

We are running out of ideas here, there isn't much to advise about anything to check inside the unit. Probably best to get your dealer involved for repair / replacement.

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yrys avatar image yrys wkirby ♦♦ commented ·
Unfortunately, I have no dealer in my country anymore. That's why I'm trying so hard to figure it out.
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kevgermany avatar image kevgermany ♦♦ yrys commented ·
If you're confident doing it, turn everything off especially the AC. Make sure unit completely electrically isolated. Take the cover off and clean carefully. Even though air is flowing through, you may have a layer of dust insulating the temp sensor.

Otherwise follow the instructions in www.vicyronenergy.com/support


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yrys avatar image yrys kevgermany ♦♦ commented ·
İt's working now so I'm reluctant to take everything apart. But yeah I guess I will have to open the whole unit up and do a thorough inspection. Thank you
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yrys avatar image yrys kevgermany ♦♦ commented ·
İs there any instructions or a video for taking apart. I have taken off the two front covers and disassembled the main board and wiped it clean with pure alcohol. Also had a peak inside and didn't see much. There are giant capacitors behind the main board and the temperature sensors seem to be going into the two large copper coils. I'm guessing I can't access the two temperature sensors because they are sealed inside the copper coils.
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wkirby avatar image wkirby ♦♦ yrys commented ·

This is not an instructional video of how to take it apart, but Johannes does take this MultiPlus apart a bit. Maybe you can get some ideas from this:

https://www.youtube.com/watch?v=UPfUn5ki7OM&t=1s&ab_channel=VictronEnergy

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yrys avatar image yrys wkirby ♦♦ commented ·
Thanks
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