Victron Error 24 fault: Switch-over protection triggered
Call a qualified installer
Urgency: high
What it means
The unit's switch-over protection tripped while changing between grid and inverter power. This needs a professional to check.
Likely causes
- Very high AC load during switch-over
- Wiring or configuration problem
Don't try to fix this yourself
While you wait for a pro, you can:
- Switch off or unplug heavy appliances (kettle, heater, geyser, pool pump) on the backup circuits.
When to call a pro
Call a qualified installer now. Switch off heavy loads and don't try to repair anything yourself.
Solar systems carry dangerous voltages. Only do the safe checks listed. If unsure, call a pro.
Source: Victron Energy – VE.Bus Error Codes (paraphrased)
Victron advises that this work be done by trained professionals.