DEYE 5kW / 8kW Error F42: AC line low voltage

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

Fault codeF42

AC line low voltage error F42 indicates a grid voltage fault. The manual's first action is: “1. Check the AC voltage is in the range of standard voltage in specification; 2. Check whether grid AC cables are firmly and correctly connected; 3. Seek help from us, if can not go back to normal state.”

Model
DEYE 5kW / 8kW
Display shows
AC line low voltage (F42)
Type
Fault code
Source
Manual p. 35

What F42 means

AC line low voltage p. 35

Common causes

  • Grid voltage fault p. 35

What to do

  1. 1. Check the AC voltage is in the range of standard voltage in specification; 2. Check whether grid AC cables are firmly and correctly connected; 3. Seek help from us, if can not go back to normal state. p. 35

If F42 is still not resolved

  • Seek help from us, if can not go back to normal state. p. 35
    “Seek help from us, if can not go back to normal state.”
Open the manual at page 35 All 5kW / 8kW error codes Manual details & download

This page summarises what the manufacturer’s manual says about F42; 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 DEYE. Found a mistake? Report an error.