Multi RS19 Solar 4.12. Display .................................................................................................................... 57 4.13. AC input control .......................................................................................................... 58 4.14. ESS ........................................................................................................................ 60 4.15. System .................................................................................................................... 62 5. Operation ............................................................................................................................ 65 5.1.
Device display ............................................................................................................. 65 5.2. Protections and automatic restarts ...................................................................................... 66 5.2.1. Overload .......................................................................................................... 66 5.2.2. Low battery voltage thresholds (adjustable in VictronConnect) ............................................ 66 5.2.3. High battery voltage ............................................................................................. 66 5.2.4.
High temperature ................................................................................................ 66 6. Troubleshooting Guide ............................................................................................................ 67 6.1. Solar charger is inactive .................................................................................................. 67 6.1.1. PV voltage too low .............................................................................................. 67 6.1.2. Reverse PV polarity ............................................................................................. 67 6.1.3. Safety relays are closed.
....................................................................................... 68 6.2. Batteries are not being charged ......................................................................................... 68 6.2.1. Battery is full ..................................................................................................... 68 6.2.2. Battery settings too low ......................................................................................... 69 6.2.3. Reverse PV polarity ............................................................................................. 69 6.3.
Batteries are undercharged .............................................................................................. 69 6.3.1. Insufficient solar ................................................................................................. 70 6.3.2. Too much DC load .............................................................................................. 70 6.3.3. Battery cable voltage drop ..................................................................................... 70 6.3.4. Wrong temperature compensation setting ................................................................... 71 6.4.
Batteries are overcharged ................................................................................................ 71 6.4.1. Battery charge voltages too high .............................................................................. 71 6.4.2. Battery unable to deal with equalisation ...................................................................... 71 6.4.3. Battery old or faulty ............................................................................................. 71 6.5. PV problems ............................................................................................................... 72 6.5.1.
PV yield less than expected .................................................................................... 72 6.5.2. Full rated output not reached .................................................................................. 73 6.5.3. Mixed PV panel types ........................................................................................... 73 6.5.4. MC4 connectors wrongly connected .......................................................................... 73 6.5.5. PV connections burned or melted ............................................................................. 73 6.5.6.
Optimisers cannot be used ..................................................................................... 73 6.6. Communication problems ................................................................................................ 73 6.6.1. Bluetooth ......................................................................................................... 74 6.6.2. VE.Direct port .................................................................................................... 74 6.6.3. VE.Smart communication ...................................................................................... 74 6.7.
Error code overview ....................................................................................................... 75 7. Technical data ...................................................................................................................... 80 7.1. Technical Specifications .................................................................................................. 80 7.2. Three phase example ..................................................................................................... 83 7.3. Enclosure dimensions .................................................................................................... 84