6.3.1. Battery supply issue ............................................................................................ 23
6.3.2. Reverse battery polarity ........................................................................................ 24
6.3.3. PV voltage too low .............................................................................................. 24
6.3.4. Reverse PV polarity ............................................................................................. 25
6.3.5. PV voltage too high ............................................................................................. 25
6.3.6. Battery full ........................................................................................................ 26
6.3.7. The charger is disabled ......................................................................................... 26
6.3.8. Controlled by an external device .............................................................................. 26
6.4. Batteries are undercharged .............................................................................................. 26
6.4.1. The battery is almost full ....................................................................................... 26
6.4.2. Too much DC load .............................................................................................. 27
6.4.3. Insufficient solar ................................................................................................. 27
6.4.4. Battery charge current too low ................................................................................. 27
6.4.5. Battery charge voltages are too low ........................................................................... 27
6.4.6. Battery cable voltage drop ..................................................................................... 27
6.4.7. Wrong temperature compensation setting ................................................................... 28
6.5. Batteries are overcharged ................................................................................................ 28
6.5.1. Battery charge voltages too high .............................................................................. 29
6.5.2. Battery unable to deal with equalization ...................................................................... 29
6.5.3. Battery old or faulty ............................................................................................. 29
6.6. Solar issues ................................................................................................................ 30
6.6.1. PV reverse current too high .................................................................................... 30
6.6.2. PV yield less than expected .................................................................................... 30
6.6.3. Full rated output not reached .................................................................................. 31
6.6.4. Mixed PV panel types ........................................................................................... 31
6.6.5. MC4 connectors wrongly connected .......................................................................... 31
6.6.6. PV connections burned or melted ............................................................................. 31
6.6.7. Optimisers cannot be used ..................................................................................... 32
6.6.8. Ground current .................................................................................................. 32
6.7. Communication issues .................................................................................................... 32
6.7.1. VictronConnect issues .......................................................................................... 32
6.7.2. Bluetooth issues ................................................................................................. 32
6.7.3. VE.Direct port communication issues ......................................................................... 33
6.7.4. VE.Smart communication issues .............................................................................. 33
6.8. Settings or firmware issues ............................................................................................... 33
6.8.1. Incorrect settings ................................................................................................ 33
6.8.2. Firmware issues ................................................................................................. 33
6.8.3. Interrupted firmware update .................................................................................... 34
6.9. Operation issues ........................................................................................................... 34
6.9.1. Unable to operate as a power supply ......................................................................... 34
6.9.2. Relay issues ..................................................................................................... 34
6.10. Errors, and error codes .................................................................................................. 34
6.10.1. Error codes ..................................................................................................... 35
6.11. Warranty ................................................................................................................... 36
7. Technical Specifications .......................................................................................................... 37
8. Appendix ............................................................................................................................. 39
8.1. Appendix A : Connection Overview ..................................................................................... 39
8.2. Appendix B : Block Diagram ............................................................................................. 41
8.3. Appendix C : Example Wiring Diagram ................................................................................. 42
8.4. Appendix D : Dimensions ................................................................................................. 43
8.5. Error Codes ................................................................................................................ 44
8.5.1. Error 2 - Battery voltage too high .............................................................................. 44
8.5.2. Error 3, Err 4 - Remote temperature sensor failure ......................................................... 44
8.5.3. Error 5 - Remote temperature sensor failure (connection lost) ............................................ 44
8.5.4. Error 6, Error 7 - Remote battery voltage sense failure ..................................................... 44
8.5.5. Error 8 - Remote battery voltage sense failure (connection lost) .......................................... 44
8.5.6. Error 11 - Battery high ripple voltage .......................................................................... 44
8.5.7. Error 14 - Battery low temperature ............................................................................ 44
8.5.8. Error 20 - Maximum Bulk-time exceeded ..................................................................... 44
8.5.9. Error 22, 23 - Internal temperature sensor failure ........................................................... 44
8.5.10. Error 26 - Terminal overheated ............................................................................... 44
8.5.11. Error 27 - Charger short circuit ............................................................................... 45
8.5.12. Error 28 - Power stage issue ................................................................................. 45
8.5.13. Error 29 - Over-Charge protection ........................................................................... 45
8.5.14. Error 43 - Inverter shutdown (Ground Fault) ................................................................ 45
8.5.15. Error 50, Error 52 - Inverter overload, Inverter peak current .............................................. 45
Multi RS Solar
