MPPT solar charger manual 6.6. Maintenance procedure ................................................................................................... 35 7. Monitoring ........................................................................................................................... 36 7.1. LED indications ............................................................................................................ 36 7.2. Error codes ................................................................................................................. 37 7.3. Monitoring via the VictronConnect app ................................................................................. 37 7.3.1.
VictronConnect app status screen ............................................................................ 37 7.3.2. VictronConnect app history screen ............................................................................ 38 7.3.3. VictronConnect app error reporting ........................................................................... 39 7.4. Monitoring via a GX device and VRM ................................................................................... 39 8. Troubleshooting .................................................................................................................... 41 8.1.
Solar charger is damaged ................................................................................................ 41 8.2. Solar charger is unresponsive ........................................................................................... 41 8.3. Solar charger is off ........................................................................................................ 42 8.3.1. PV voltage too low .............................................................................................. 42 8.3.2. Settings being edited on an external display ................................................................. 43 8.3.3.
Disabled in the settings ......................................................................................... 44 8.3.4. Disabled by remote or BMS .................................................................................... 44 8.3.5. Low lithium battery temperature ............................................................................... 44 8.4. Solar charger is externally controlled ................................................................................... 44 8.5. Batteries are not charged ................................................................................................. 45 8.5.1.
Battery is full ..................................................................................................... 45 8.5.2. Battery not connected .......................................................................................... 46 8.5.3. Reverse battery polarity ........................................................................................ 47 8.5.4. Battery settings too low ......................................................................................... 47 8.5.5. PV voltage too high ............................................................................................. 48 8.5.6.
Reverse PV polarity ............................................................................................. 48 8.6. Batteries are undercharged .............................................................................................. 49 8.6.1. Insufficient solar supply ......................................................................................... 49 8.6.2. DC load too high ................................................................................................ 50 8.6.3. Battery cable voltage drop ..................................................................................... 50 8.6.4.
Temperature compensation setting incorrect ................................................................ 51 8.6.5. Temperature difference between solar charger and battery ................................................ 51 8.7. Batteries are overcharged ................................................................................................ 52 8.7.1. Battery voltage setting too high ................................................................................ 52 8.7.2. Battery charge voltage settings too high ...................................................................... 52 8.7.3.
Battery unable to deal with equalisation ...................................................................... 52 8.7.4. Battery old, faulty or undersized ............................................................................... 52 8.8. Solar charger not achieving full output .................................................................................. 53 8.8.1. PV yield lower than expected .................................................................................. 53 8.8.2. Maximum output power relates to battery voltage ........................................................... 54 8.8.3.
Temperature above 40°C ....................................................................................... 55 8.8.4. PV connections burned or melted ............................................................................. 55 8.9. Communication Issues .................................................................................................... 55 8.9.1. Bluetooth ......................................................................................................... 55 8.9.2. VE.Direct port .................................................................................................... 56 8.9.3.
VE.Smart Networking ........................................................................................... 56 8.10. Miscellaneous issues .................................................................................................... 57 8.10.1. Unable to operate as a DC-DC charger or power supply ................................................. 57 8.10.2. Interrupted firmware update .................................................................................. 57 8.10.3. Ground current ................................................................................................. 57 8.10.4.
PV Short relay reset procedure .............................................................................. 57 8.11. Error code overview ...................................................................................................... 59 8.11.1. Error 1 - Battery temperature too high ....................................................................... 59 8.11.2. Error 2 - Battery voltage too high ............................................................................. 59 8.11.3. Error 17 - Solar charger overheated despite reduced output current .................................... 59 8.11.4.
Error 18 - Solar charger over-current ........................................................................ 59 8.11.5. Error 20 - Maximum bulk time exceeded .................................................................... 59 8.11.6. Error 21 - Current sensor issue .............................................................................. 59 8.11.7. Error 26 - Terminal overheated ............................................................................... 59 8.11.8. Error 28 - Power stage issue ................................................................................. 60 8.11.9.
Error 33 - PV over voltage .................................................................................... 60 8.11.10. Error 38, 39 - PV Input shutdown ........................................................................... 60 8.11.11. Error 40 - PV Input failed to shutdown ..................................................................... 60 8.11.12. Error 80 to 88 - PV Input shutdown ......................................................................... 60 8.11.13. Error 116 - Calibration data lost ............................................................................. 60 8.11.14.
Error 117 - Incompatible firmware .......................................................................... 61