6.5.5。Reverse PV polarity ............................................................................................. 35 6.6.Batteries are undercharged .............................................................................................. 35 6.6.1.Insufficient solar ................................................................................................. 36 6.6.2.Too much DC load .............................................................................................. 36 6.6.3.Battery cable voltage drop ..................................................................................... 36 6.6.4.Wrong temperature compensation setting ................................................................... 37 6.7.Batteries are overcharged ................................................................................................ 37 6.7.1.电池电荷电压太高............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 37 6.7.2。电池无法应对均衡................................................................................................................................................ 37 6.7.3。Battery old or faulty ............................................................................................. 37 6.8.PV problems ............................................................................................................... 38 6.8.1.PV yield less than expected .................................................................................... 38 6.8.2.未达到全额输出.......................................................................................................Mixed PV panel types ........................................................................................... 39 6.8.4.MC4 connectors wrongly connected .......................................................................... 39 6.8.5.PV connections burned or melted ............................................................................. 39 6.8.6.Optimisers cannot be used ..................................................................................... 39 6.8.7.Ground current .................................................................................................. 39 6.8.8.PV voltage too high ............................................................................................. 40 6.9.Communication problems ................................................................................................ 40 6.9.1.VictronConnect app ............................................................................................. 40 6.9.2.Bluetooth ......................................................................................................... 40 6.9.3.VE.Direct port .................................................................................................... 41 6.10.错误代码概述.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................错误代码概述.......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................