After using the MPPT Control in conjunction with the Smart Solar 75/15 for about a year the MPPT Control had the ‘CONNECTING’ issue in november after updating the Smart Solar to firmware v1.53. Disconnecting/connecting the VE cable resolved the issue for about a day... Every time the ‘CONNECTING’ message renders the display inoperable. An update to v1.54 made no avail.
After contacting the dealer did an update at their workshop of the MPPT Control but afterwards the display mentioned ‘UNSUPPORTED F ’_’ VERSION’. In the end the display was swapped for a new one. The new display has functioned for a few days until I checked it again yesterday (11 days after installing).
some (maybe useful) info:
-The smart solar still runs v1.54 (VictronConnect v5.35) and has no problems.
-The camper unit is placed under a carport so the (2x 80wp solar panels parallel) have no input whatsoever.
-running a LiFePo4 4-cell Chinese brand fully balanced battery with a VictronConnect blue smart IP67 12V/17A mains charger. The battery is floating @ 13.52V.
Is this issue software or hardware related? Hopefully fixable with a new firmware?