MPPT solar charger manual 6.1. Start up ..................................................................................................................... 38 6.2. Battery charging ........................................................................................................... 38 6.3. Automatic equalization .................................................................................................... 39 6.4. Lithium batteries ........................................................................................................... 39 6.5. Shutdown and restart procedure ........................................................................................ 39 6.6.
Maintenance procedure ................................................................................................... 40 7. Monitoring ........................................................................................................................... 41 7.1. LED indications ............................................................................................................ 41 7.2. Error codes ................................................................................................................. 42 7.3. Monitoring via the VictronConnect app ................................................................................. 42 7.3.1.
VictronConnect app status screen ............................................................................ 42 7.3.2. VictronConnect app history screen ............................................................................ 43 7.3.3. VictronConnect app error reporting ........................................................................... 44 7.4. Monitoring via a GX device and VRM ................................................................................... 44 8. Troubleshooting .................................................................................................................... 46 8.1.
Solar charger is damaged ................................................................................................ 46 8.2. Solar charger is unresponsive ........................................................................................... 46 8.3. Solar charger is off ........................................................................................................ 47 8.3.1. PV voltage too low .............................................................................................. 47 8.3.2. Settings being edited on an external display ................................................................. 48 8.3.3.
Disabled in the settings ......................................................................................... 49 8.3.4. Disabled by remote or BMS .................................................................................... 49 8.3.5. Low lithium battery temperature ............................................................................... 49 8.4. Solar charger is externally controlled ................................................................................... 49 8.5. Batteries are not charged ................................................................................................. 50 8.5.1.
Battery is full ..................................................................................................... 50 8.5.2. Battery not connected .......................................................................................... 51 8.5.3. Reverse battery polarity ........................................................................................ 52 8.5.4. Battery settings too low ......................................................................................... 52 8.5.5. PV voltage too high ............................................................................................. 53 8.5.6.
Reverse PV polarity ............................................................................................. 53 8.6. Batteries are undercharged .............................................................................................. 54 8.6.1. Insufficient solar supply ......................................................................................... 54 8.6.2. DC load too high ................................................................................................ 55 8.6.3. Battery cable voltage drop ..................................................................................... 55 8.6.4.
Temperature compensation setting incorrect ................................................................ 56 8.6.5. Temperature difference between solar charger and battery ................................................ 56 8.7. Batteries are overcharged ................................................................................................ 57 8.7.1. Battery voltage setting too high ................................................................................ 57 8.7.2. Battery charge voltage settings too high ...................................................................... 57 8.7.3.
Battery unable to deal with equalisation ...................................................................... 57 8.7.4. Battery old, faulty or undersized ............................................................................... 57 8.8. Solar charger not achieving full output .................................................................................. 58 8.8.1. PV yield lower than expected .................................................................................. 58 8.8.2. Maximum output power relates to battery voltage ........................................................... 59 8.8.3.
Temperature above 40°C ....................................................................................... 60 8.8.4. PV connections burned or melted ............................................................................. 60 8.9. Communication Issues .................................................................................................... 60 8.9.1. Bluetooth ......................................................................................................... 60 8.9.2. VE.Direct port .................................................................................................... 61 8.9.3.
VE.Smart Networking ........................................................................................... 61 8.10. Miscellaneous issues .................................................................................................... 62 8.10.1. Unable to operate as a DC-DC charger or power supply ................................................. 62 8.10.2. Interrupted firmware update .................................................................................. 62 8.10.3. Ground current ................................................................................................. 62 8.10.4.
Programmable relay issues ................................................................................... 62 8.10.5. PV Short relay reset procedure .............................................................................. 62 8.11. Error code overview ...................................................................................................... 64 8.11.1. Error 1 - Battery temperature too high ....................................................................... 64 8.11.2. Error 2 - Battery voltage too high ............................................................................. 64 8.11.3.
Error 17 - Solar charger overheated despite reduced output current .................................... 64 8.11.4. Error 18 - Solar charger over-current ........................................................................ 64 8.11.5. Error 20 - Maximum bulk time exceeded .................................................................... 64 8.11.6. Error 21 - Current sensor issue .............................................................................. 64 8.11.7. Error 26 - Terminal overheated ............................................................................... 64 8.11.8.
Error 28 - Power stage issue ................................................................................. 65