MultiPlus-II 2x120V 6. Error Indications With the procedures below, most errors can be quickly identified. If an error cannot be resolved, please refer to your Victron Energy supplier. Our recommendation is to use the Victron Toolkit app to find the description of all possible LED alarm codes. See here for download information: https://www.victronenergy.com/support-and-downloads/software#victron-toolkit-app . 6.1. General error indications Page 20 Error Indications Problem Cause Solution No output voltage on AC- out-2. Operating in inverter mode Connect the inverter/charger to an AC source, and after a 2-minute delay, the AC-out-2 should become live.
Unable to switch over to generator or mains operation. Circuit breaker or fuse in the AC- in input is open as a result of overload. Remove overload or short circuit on AC-out-1 or AC- out-2, and reset the fuse or circuit breaker. Inverter operation not initiated when switched on The battery voltage is excessively high or too low. No voltage on DC connection. Ensure that the battery voltage is within the correct range. ‘Low battery’ LED flashes The battery voltage is low. Charge the battery or check the battery connections. Low battery’ LED lights. The converter switches off because the battery voltage is too low. Charge the battery or check the battery connections. ‘Overload’ LED flashes.
The converter load is higher than the nominal load. Reduce the load. ‘Overload’ LED lights The converter is switched off due to excessively high load. Reduce the load. ‘Temperature’ LED flashes or lights. The environmental temperature is high, or the load is too high. Install the converter in cool and well-ventilated environment, or reduce the load. ‘Low battery’ and ‘overload’ LEDs flash intermittently. Low battery voltage and excessively high load. Charge the batteries, disconnect or reduce the load, or install higher capacity batteries. Fit shorter and/or thicker battery cables. ‘Low battery’ and ‘overload’ LEDs flash simultaneously. Ripple voltage on the DC connection exceeds 1.5 Vrms.
Check the battery cables and battery connections. Check whether battery capacity is sufficiently high, and increase this if necessary. ‘Low battery’ and ‘overload’ LEDs light. The inverter is switched off due to an excessively high ripple voltage on the input. Install batteries with a larger capacity. Fit shorter and/or thicker battery cables, and reset the inverter (switch off, and then on again). One alarm LED lights and the second flashes. The inverter is switched off due to alarm activation by the lighted LED. The flashing LED indicates that the inverter was about to switch off due to the related alarm. Check this table for appropriate measures in regard to this alarm state.
The AC input voltage or frequency is not within the range set. Ensure that the AC input is between 95VAC and 135VAC, and that the frequency is within the range set (default setting 45-65 Hz). The charger does not operate. Circuit breaker or fuse in the AC- in input is open as a result of overload. Remove overload or short circuit on AC-out-1 or AC- out-2, and reset fuse/breaker. The battery fuse has blown. Replace the battery fuse. The distortion or the AC input voltage is too large (generally generator supply). Turn the "Weak AC" and "Dynamic current limiter" settings on.