Victron energy SmartSolar MPPT 75/10 Manual page 3

7.3. Monitoring via the VictronConnect App ................................................................................. 33
7.3.1. VictronConnect status screen .................................................................................. 33
7.3.2. VictronConnect history screen ................................................................................. 34
7.3.3. VictronConnect error reporting ................................................................................. 35
7.4. Monitoring via a GX device and VRM ................................................................................... 35
8. Warranty ............................................................................................................................. 36
9. Troubleshooting and Support ................................................................................................... 37
9.1. The controller is not operational ......................................................................................... 37
9.1.1. Visual check ..................................................................................................... 37
9.1.2. Battery supply check ............................................................................................ 37
9.1.3. Blown fuse ....................................................................................................... 38
9.2. Batteries are not charged ................................................................................................. 38
9.2.1. Reverse battery polarity ........................................................................................ 39
9.2.2. Reverse PV polarity ............................................................................................. 39
9.2.3. Battery full ........................................................................................................ 40
9.2.4. The charger is disabled ......................................................................................... 40
9.2.5. PV voltage too low .............................................................................................. 40
9.2.6. Battery voltage setting too low ................................................................................. 41
9.2.7. Controlled by an external device .............................................................................. 41
9.2.8. Battery supply issue ............................................................................................ 41
9.2.9. PV voltage too high ............................................................................................. 42
9.3. Batteries are undercharged .............................................................................................. 43
9.3.1. Too much DC load .............................................................................................. 43
9.3.2. Battery charge voltages are too low ........................................................................... 43
9.3.3. The battery is almost full ....................................................................................... 43
9.3.4. Battery cable voltage drop ..................................................................................... 44
9.3.5. Temperature difference between solar charger and battery ................................................ 44
9.3.6. Insufficient solar ................................................................................................. 45
9.3.7. Wrong temperature compensation setting ................................................................... 45
9.3.8. Battery charge current too low ................................................................................. 45
9.4. Batteries are overcharged ................................................................................................ 45
9.4.1. Battery voltage setting too high ................................................................................ 46
9.4.2. Battery charge voltages too high .............................................................................. 46
9.4.3. Battery unable to deal with equalization ...................................................................... 46
9.4.4. Battery old or faulty ............................................................................................. 46
9.5. Solar issues ................................................................................................................ 47
9.5.1. PV reverse current too high .................................................................................... 47
9.5.2. PV yield less than expected .................................................................................... 47
9.5.3. Full rated output not reached .................................................................................. 48
9.5.4. Max PV output power relates to battery voltage ............................................................. 48
9.5.5. Mixed PV panel types ........................................................................................... 49
9.5.6. PV connections burned or melted ............................................................................. 49
9.5.7. MC4 connectors wrongly connected .......................................................................... 49
9.5.8. Optimisers cannot be used ..................................................................................... 49
9.5.9. Earth fault detection missing ................................................................................... 49
9.5.10. Ground current ................................................................................................. 49
9.6. Communication issues .................................................................................................... 50
9.6.1. VictronConnect issues .......................................................................................... 50
9.6.2. VE.Direct port communication issues ......................................................................... 50
9.6.3. VE.Smart communication issues .............................................................................. 50
9.6.4. Bluetooth issues ................................................................................................. 50
9.7. Settings or firmware issues ............................................................................................... 51
9.7.1. Incorrect settings ................................................................................................ 51
9.7.2. Unable to select 36V or 48V battery voltage ................................................................. 51
9.7.3. Firmware issues ................................................................................................. 51
9.7.4. Interrupted firmware update .................................................................................... 52
9.8. Load output issues ........................................................................................................ 52
9.8.1. Load output not working ........................................................................................ 52
9.8.2. Load output not able to run load ............................................................................... 52
9.8.3. Incorrect load output current reading ......................................................................... 52
9.9. Operation issues ........................................................................................................... 53
9.9.1. Unable to operate as a power supply ......................................................................... 53
9.9.2. Unable to operate as a DC to DC charger ................................................................... 53
9.9.3. Sand coming out of the unit (75/15 only) ..................................................................... 53
10. Technical specifications ......................................................................................................... 54
MPPT solar charger manual