MPPT solar charger manual 7. Monitoring ........................................................................................................................... 35 7.1. LED indications ............................................................................................................ 35 7.2. Error codes ................................................................................................................. 36 7.3. Monitoring via the VictronConnect app ................................................................................. 36 7.3.1. VictronConnect app status screen ............................................................................ 36 7.3.2.
VictronConnect app history screen ............................................................................ 37 7.3.3. VictronConnect app error reporting ........................................................................... 38 7.4. Monitoring via a GX device and VRM ................................................................................... 38 8. Troubleshooting .................................................................................................................... 40 8.1. Solar charger is damaged ................................................................................................ 40 8.2.
Solar charger is unresponsive ........................................................................................... 40 8.3. Solar charger is off ........................................................................................................ 41 8.3.1. PV voltage too low .............................................................................................. 41 8.3.2. Settings being edited on an external display ................................................................. 42 8.3.3. Disabled in the settings ......................................................................................... 43 8.3.4.
Disabled by remote or BMS .................................................................................... 43 8.3.5. Low lithium battery temperature ............................................................................... 43 8.4. Solar charger is externally controlled ................................................................................... 43 8.5. Batteries are not charged ................................................................................................. 43 8.5.1. Battery is full ..................................................................................................... 44 8.5.2.
Battery not connected .......................................................................................... 44 8.5.3. Reverse battery polarity ........................................................................................ 45 8.5.4. Battery settings too low ......................................................................................... 46 8.5.5. PV voltage too high ............................................................................................. 46 8.5.6. Reverse PV polarity ............................................................................................. 47 8.6.
Batteries are undercharged .............................................................................................. 47 8.6.1. Insufficient solar supply ......................................................................................... 48 8.6.2. DC load too high ................................................................................................ 48 8.6.3. Battery cable voltage drop ..................................................................................... 48 8.6.4. Temperature compensation setting incorrect ................................................................ 49 8.6.5.
Temperature difference between solar charger and battery ................................................ 49 8.7. Batteries are overcharged ................................................................................................ 50 8.7.1. Battery voltage setting too high ................................................................................ 50 8.7.2. Battery charge voltage settings too high ...................................................................... 50 8.7.3. Battery unable to deal with equalisation ...................................................................... 50 8.7.4.
Battery old, faulty or undersized ............................................................................... 51 8.8. Solar charger not achieving full output .................................................................................. 51 8.8.1. PV yield lower than expected .................................................................................. 52 8.8.2. Maximum output power relates to battery voltage ........................................................... 52 8.8.3. Temperature above 40°C ....................................................................................... 53 8.8.4.
PV connections burned or melted ............................................................................. 53 8.9. Communication Issues .................................................................................................... 53 8.9.1. Bluetooth ......................................................................................................... 53 8.9.2. VE.Direct port .................................................................................................... 54 8.9.3. VE.Smart Networking ........................................................................................... 54 8.10.
Miscellaneous issues .................................................................................................... 55 8.10.1. Unable to select 36V or 48V battery voltage ............................................................... 55 8.10.2. Unable to operate as a DC-DC charger or power supply ................................................. 55 8.10.3. Interrupted firmware update .................................................................................. 55 8.10.4. Ground current ................................................................................................. 55 8.10.5.
PV Short relay reset procedure .............................................................................. 55 8.11. Error code overview ...................................................................................................... 57 8.11.1. Error 1 - Battery temperature too high ....................................................................... 57 8.11.2. Error 2 - Battery voltage too high ............................................................................. 57 8.11.3. Error 17 - Solar charger overheated despite reduced output current .................................... 57 8.11.4.
Error 18 - Solar charger over-current ........................................................................ 57 8.11.5. Error 20 - Maximum bulk time exceeded .................................................................... 57 8.11.6. Error 21 - Current sensor issue .............................................................................. 57 8.11.7. Error 26 - Terminal overheated ............................................................................... 57 8.11.8. Error 28 - Power stage issue ................................................................................. 58 8.11.9.
Error 33 - PV over voltage .................................................................................... 58 8.11.10. Error 38, 39 - PV Input shutdown ........................................................................... 58 8.11.11. Error 40 - PV Input failed to shutdown ..................................................................... 58 8.11.12. Error 80 to 88 - PV Input shutdown ......................................................................... 58 8.11.13. Error 116 - Calibration data lost ............................................................................. 58 8.11.14.
Error 117 - Incompatible firmware .......................................................................... 59 8.11.15. Error 119 - Settings data lost ................................................................................ 59