MN3024DIY (Hard Reset)

[Oldtimmer]

DIY hard reset
Disconnect the AC and PV inputs
push and hold the up and down buttons for about 20 seconds
flashing box on the display then shut the battery breaker off.
Let set for about a minute then turn the battery back on.

[FNG]

Correct, That also works for the MN3548DIY and MN5048DIY

[dapdan]

Oldtimer,

You had a reason to reset the inverter.