Delta M70A_263 Error E01: Grid frequency high

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

Fault codeE01

Grid frequency is too high. The manual's first action is: “1. Check the utility frequency 2. Check Grid code & Grid setting”

Model
Delta M70A_263
Display shows
Grid frequency high (E01)
Type
Fault code
Source
Manual p. 73

What E01 means

Grid frequency high p. 73

What to do

  1. 1. Check the utility frequency 2. Check Grid code & Grid setting p. 73

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

If E01 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.”
Open the manual at page 73 All M70A_263 error codes Manual details & download

This page summarises what the manufacturer’s manual says about E01; 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.