Received two new BlueSolar MPPT 150/35 with handwritten permanent marks on back. Is this normal?
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asked
BlueSolar MPPT with handwritten marks on new units ???
QC Inspector marking. Every Victron component I've ever seen has one, but on any non-sealed unit (ie, inverter, inverter/charger, IP22 charger, etc) the mark will be inside the component where it's not visible to the end-user. On MPPTs, since they're sealed, the marking will almost invariably be on the heatsink - with the exception of the small 75/10 and 75/15s, where it will usually be on the underside of the unit, marked on the plastic near one of the mounting holes.
Hi Heleb, no that is not normal; could you let me know what serial numbers they are?
I’ll then check with production.
I’m not immediately worried about their performance/functional quality.
Thank you for reporting!
Matthijs
@mvader (Victron Energy) as an FYI, I can confirm that every solar controller of any size (the 75/15s and /10s are usually marked on the plastic near one of the mounting holes), Orion-Tr Smart, and other similar-chassis components I've seen for the past five or so years has such markings - I believe it's a QC inspector marking.
Edit to add: Other components have the same markings as well, just not usually in an end-user visible location - ie, the Phoenix VE.Direct inverters have a handwritten mark on the inside of the plastic cover, the IP22 chargers are inside the case, even VE.Bus products have them as well, except that in their case the handwritten mark is on a small sticker on the main board.
Thanks Matthijs
The first unit I sent back to dealer (Offgridtec), on suspicion that it wasn't new. Please check with them for number.
They immediately sent a replacement unit which had also those markings. SN: HQ21259DZDZ
Please keep me posted.
Best
Helmut
Hi Matthijs,
did you find the reason for the mysterious markings on supposedly new BlueSolar units?
Cheers
Helmut
