Victron energy MPPT 150/70 Manual page 3

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 status screen .................................................................................. 37
7.3.2. VictronConnect history screen ................................................................................. 38
7.3.3. VictronConnect error reporting ................................................................................. 39
7.4. Monitoring via a GX device and VRM ................................................................................... 39
8. Warranty ............................................................................................................................. 40
9. Troubleshooting and Support ................................................................................................... 41
9.1. The controller is not operational ......................................................................................... 41
9.1.1. Visual check ..................................................................................................... 41
9.1.2. Battery supply check ............................................................................................ 41
9.2. Batteries are not charged ................................................................................................. 42
9.2.1. Reverse battery polarity ........................................................................................ 42
9.2.2. Reverse PV polarity ............................................................................................. 43
9.2.3. Battery full ........................................................................................................ 43
9.2.4. Remote terminal is missing, is disconnected or external control is active ................................ 43
9.2.5. The charger is disabled ......................................................................................... 43
9.2.6. PV voltage too low .............................................................................................. 44
9.2.7. Battery voltage setting too low ................................................................................. 45
9.2.8. Controlled by an external device .............................................................................. 45
9.2.9. Battery supply issue ............................................................................................ 45
9.2.10. PV voltage too high ............................................................................................ 46
9.3. Batteries are undercharged .............................................................................................. 47
9.3.1. Too much DC load .............................................................................................. 47
9.3.2. Battery charge voltages are too low ........................................................................... 47
9.3.3. The battery is almost full ....................................................................................... 47
9.3.4. Battery cable voltage drop ..................................................................................... 47
9.3.5. Temperature difference between solar charger and battery ................................................ 48
9.3.6. Insufficient solar ................................................................................................. 48
9.3.7. Wrong temperature compensation setting ................................................................... 49
9.3.8. Battery charge current too low ................................................................................. 49
9.4. Batteries are overcharged ................................................................................................ 49
9.4.1. Battery voltage setting too high ................................................................................ 49
9.4.2. Battery charge voltages too high .............................................................................. 50
9.4.3. Battery unable to deal with equalization ...................................................................... 50
9.4.4. Battery old or faulty ............................................................................................. 50
9.5. Solar issues ................................................................................................................ 51
9.5.1. PV reverse current too high .................................................................................... 51
9.5.2. PV yield less than expected .................................................................................... 51
9.5.3. Full rated output not reached .................................................................................. 51
9.5.4. Max PV output power relates to battery voltage ............................................................. 52
9.5.5. Mixed PV panel types ........................................................................................... 52
9.5.6. PV connections burned or melted ............................................................................. 52
9.5.7. MC4 connectors wrongly connected .......................................................................... 53
9.5.8. Optimisers cannot be used ..................................................................................... 53
9.5.9. Earth fault detection missing ................................................................................... 53
9.5.10. Ground current ................................................................................................. 53
9.6. Communication issues .................................................................................................... 53
9.6.1. VictronConnect issues .......................................................................................... 53
9.6.2. VE.Direct port communication issues ......................................................................... 53
9.6.3. VE.Can port communication issues ........................................................................... 54
9.6.4. VE.Smart communication issues .............................................................................. 54
9.6.5. Bluetooth issues ................................................................................................. 54
9.7. Settings or firmware issues ............................................................................................... 55
9.7.1. Incorrect settings ................................................................................................ 55
9.7.2. Firmware issues ................................................................................................. 55
9.7.3. Interrupted firmware update .................................................................................... 56
9.8. Operation issues ........................................................................................................... 56
9.8.1. Unable to operate as a power supply ......................................................................... 56
9.8.2. Unable to operate as a DC to DC charger ................................................................... 56
9.8.3. Relay issues ..................................................................................................... 56
10. Technical specifications ......................................................................................................... 57
MPPT solar charger manual