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Frequently asked questions and commonly encountered issues with DIY installs
There are a number of questions that get asked frequently on the community covering basic installation DIY and commonly encountered problems with operation after installation / setup.
A number of topics have been writte…
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5563
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August 2, 2024
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About the DIY category
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1034
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June 27, 2024
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Lead-acid battery voltage dropping on MPPT 75/15
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15
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116
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October 12, 2026
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Quatro/Multiplus State/Controls incorrect in VRM
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2
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33
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October 12, 2026
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Does the MultiPlus-II 48/15000 generate hum through the mounting?
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2
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28
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October 12, 2026
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Orion XS only 120 watts
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16
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167
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October 12, 2026
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Shelly Pro EM-50 -> Switching from Wi-Fi to LAN -> Opportunity Loads
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5
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40
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October 12, 2026
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Noob again, can't seem to find any clarification on some bits for an MP2GX
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13
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61
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October 12, 2026
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Android GX Display v1.3 released
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12
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525
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October 12, 2026
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VRM Android App Login Issue: "An error occurred - Authentication failed" (Works fine in Chrome)
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1
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17
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October 12, 2026
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Energymeter with S0 bus
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1
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25
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October 12, 2026
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Connecting MPPT Control Display and Cerbo GX to BlueSolar MPPT 100/20 Using a Single VE.Direct Port
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2
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22
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October 12, 2026
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VE Bus Error 10
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3
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57
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October 12, 2026
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VRM doesn't show energy prices
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1
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52
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October 12, 2026
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GX IO-Extender 150: digital outputs switch on for 4s at every GX startup
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4
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68
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October 12, 2026
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Feature Request: Enable Shelly Pro 1PM as Grid Meter / Shore Power AC Input Meter in Venus OS
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2
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34
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October 12, 2026
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Using the EM530 USA split phase and Cerbo GX reboots/update —> revert to 3 phase
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9
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113
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October 12, 2026
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High cell voltage: Alarm
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23
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281
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October 12, 2026
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Enabling ESS on a houseboat with Color Control GX and Pylontech
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1
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24
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October 12, 2026
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Remote Console fuzzy, grainy, ghostly, since update
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19
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156
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October 12, 2026
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Extra features for scheduled charging settings
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0
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19
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October 12, 2026
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Venus-OS v3.81 - GUI-v2: Bug: Date and time cannot be set manually
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0
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19
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October 12, 2026
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Venus OS 3.80 / 3.81: Incorrect AC Loads calculation with gen on AC-in
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4
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107
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October 12, 2026
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3-phase MultiPlus-II 48/6k5 – loud growling and overload when starting a DOL compressor motor (inte
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8
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132
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October 12, 2026
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Battery and load protection in the event of a SmartSolar MPPT malfunction
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7
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103
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October 12, 2026
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Request to Reset Cerbo GX VRM Portal Registration
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1
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21
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October 12, 2026
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Noob with MP2GX that won't turn on the inverter
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26
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140
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October 12, 2026
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MultiPlus-II three-phase system intermittently imports power from the grid and vibrates
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4
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66
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October 11, 2026
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Attaching 100/30 MPPT to battery
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5
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57
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October 11, 2026
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Problem with a 250/100 charge controller occurring twice in the same installation
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19
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182
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October 11, 2026
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