Delta M70A_263 Error F30: Voltage unbalance of DC link

Solar inverter · taken from the manufacturer’s manual, pages cited

Fault codeF30

Voltage unbalance of DC link exists. The manual's first action is: “Restart inverter by DC switch”

Model
Delta M70A_263
Display shows
Voltage unbalance of DC link (F30)
Type
Fault code
Source
Manual p. 75

What F30 means

Voltage unbalance of DC link p. 75

Common causes

  • Voltage unbalance of DC link p. 75

What to do

  1. Restart inverter by DC switch p. 75

Before you service the product, read the safety instructions in the manual p. 28.

If F30 is still not resolved

  • contact service / dealer p. 28
    “In order to ensure the normal long-term operation of the inverter, please follow the procedures in Section 5.1 to open and close the door.”

This page summarises what the manufacturer’s manual says about F30; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Delta. Found a mistake? Report an error.