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6. Troubleshooting and Support
Consult this chapter in case of unexpected behaviour or if you suspect a product fault.
The correct troubleshooting and support process is to first consult the common issues as described in this chapter.
Should this fail to resolve the issue, contact the point of purchase for technical support. If the point of purchase is unknown, refer
to the
Victron Energy Support webpage .
6.1. Error Codes
6.1.1. Error 2 - Battery voltage too high
This error will auto-reset after the battery voltage has dropped. This error can be due to other charging equipment connected to
the battery or a fault in the charge controller. This error can also occur if the battery voltage (12, 24, 48V) is set to a lower voltage
than the connected battery.
6.1.2. Error 3, Err 4 - Remote temperature sensor failure
Check if the T-sense connector is properly connected to a remote temperature sensor. Most likely cause: the remote T-sense
connector is connected to the BAT+ or BAT- terminal. This error will auto-reset after proper connection.
6.1.3. Error 5 - Remote temperature sensor failure (connection lost)
Check if the T-sense connector is properly connected to a remote temperature sensor. This error will not auto-reset.
6.1.4. Error 6, Error 7 - Remote battery voltage sense failure
Check if the V-sense connector is properly connected to the battery terminals. Most likely cause: the remote V-sense connector is
connected in reverse polarity to the BAT+ or BAT- terminals.
6.1.5. Error 8 - Remote battery voltage sense failure (connection lost)
Check if the V-sense connector is properly connected to the battery terminals.
6.1.6. Error 11 - Battery high ripple voltage
High DC ripple is usually caused by loose DC cable connections and/or too thin DC wiring. After the inverter has switched off due
to high DC ripple voltage, it waits 30 seconds and then restarts.
After three restarts followed by a shutdown due to high DC ripple within 30 seconds of restarting, the inverter will shutdown and
stops retrying. To restart the inverter, switch it Off and then On.
Continuous high DC ripple reduces the inverter life expectancy
6.1.7. Error 14 - Battery low temperature
The charger is stopped to avoid charging LiFePO4 batteries at low temperature as this damages the cells.
6.1.8. Error 20 - Maximum Bulk-time exceeded
Solar Chargers
The maximum bulk time protection is a feature that was in the chargers when they were just released (2015 or earlier) and later
the feature was removed.
If you do see this error, then update to the latest firmware.
If you then still have the error, perform a reset to factory defaults of the configuration, and reconfigure the solar charger.
AC Chargers
This protection is default enabled on the Skylla-i and the Skylla IP44.
This error is generated when the battery-absorption-voltage is not reached after 10 hours of charging.
The feature of this safety protection is to detect a shorted cell; and stop charging.
Inverter RS Smart
Page 16 Troubleshooting and Support