Delta M70A_263 Error F58: 1. AFCI is not installed 2. AFCI self-test is fail

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

Fault codeF58

AFCI is not installed or failed its self-test. The manual's first action is: “Check the AFCI detection circuit board for making sure it is connected correctly”

Model
Delta M70A_263
Display shows
1. AFCI is not installed 2. AFCI self-test is fail (F58)
Type
Fault code
Source
Manual p. 75

What F58 means

1. AFCI is not installed 2. AFCI self-test is fail p. 75

Common causes

  • 1. AFCI is not installed 2. AFCI self-test is fail p. 75

What to do

  1. Check the AFCI detection circuit board for making sure it is connected correctly p. 75

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

If F58 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 75 All M70A_263 error codes Manual details & download

This page summarises what the manufacturer’s manual says about F58; 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.