Do you have a Growatt MTL Solar Inverter No AC Connection Issue?
Growatt MTL Solar Inverter No AC Connection message on your inverter screen? If so you’ve come to the right place for help!
With the No AC Connection issue the red Fault light is on and the screen displays the “No AC Connection” message. This means that the inverter is not detecting any electricity from the power grid or from the switchboard and needs to be checked right away.
What can you do about a Growatt MTL Solar Inverter No AC Connection issue?
The first thing you should do is check if the Inverter AC Isolator (if applicable this would be beside your inverter) and the Solar Supply Main Switch in your switchboard are on. Check also that there has not been a power failure as a power failure would give the same message.
If after checking the above the inverter still says “No AC Connection”, what you’ll need to do is contact a solar accredited electrician to come and have a look at your system and work out what’s causing the problem. They will check if you’re getting the right voltage from the electricity grid to the inverter.
Still no AC Connection on your Growatt MRL solar inverter? One more thing…
Ok so your electrician has checked the AC voltage at the inverter and it’s all good? There is one more thing that your electrician can try and that’s a small fuse inside the Growatt MTL inverter.
In our experience we’ve found that this fuse can blow and all that’s required is a replacement fuse be installed and away the Growatt MTL goes! The following image shows the location of the fuse – HAZARDOUS VOLTAGES MAY BE PRESENT INSIDE THE INVERTER EVEN WHEN TURNED OFF – ALL ELECTRICAL WORK MUST BE PERFORMED BY A LICENSED ELECTRICIAN!!
If you need further assistance on your Growatt MTL Solar Inverter No AC Connection issue please complete the form above under the URGENT heading and we’ll assist you further.
Need more information on Growatt MTL solar inverters? Checkout the below.
For more information on Growatt MTL solar inverters including inverter datasheets, manuals, fault codes etc. click here.
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Hi Patrick, sorry to hear of your Growatt MTL inverter issue. I’d recommend getting in touch with a local solar installer for additional assistance.
my pv inverter seems to trip every morning. it says ” no ac connection” but no faultcode. is that also the fuse or as I read before a sticky relay?
thanks
Hi, sorry to hear about the issue you’ve been having, we do have the correct fuses to suit the Growatt 5000MTL available, whereabouts are you?
I have a Growatt 5000MTL and the fuse has also blown, the company purchased from, took the blown fuse to locate a replacement, 2 mths later still no fuse. Can you please advise the specific fuse I need and where it can be purchased, so I can arrange for another electrician to install it ? any assistance would be much appreciated.