Growatt Fault 61 fault: PV voltage too high
Call a qualified installer
Urgency: high
What it means
The voltage from the solar panels is above the inverter's limit, which can damage it. An installer must check the panel setup.
Likely causes
- Too many panels in a string
- Very cold, bright conditions
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: Growatt Off Grid Solar Inverter SPF 3500 ES / SPF 5000 ES User Manual v4.0 (paraphrased)