Axpert Fault 59 fault: PV voltage over limit
Call a qualified installer
Urgency: high
What it means
The solar panel voltage is above what the inverter can handle. An installer must check the panel setup.
Likely causes
- Too many panels in a string
Don't try to fix this yourself
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: Voltronic Power 1.5KW/3KW/5KW Solar Inverter/Charger User Manual v1.8 (Axpert VM III) (paraphrased)
Axpert-type inverters are sold under many names; codes can differ slightly by model.