Sungrow SG125HV/SG125HV-20 Error 043: Low ambient temperature

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

Fault code043

Low ambient temperature means the surrounding environment is too cold for normal inverter operation. The manual's first action is: “Stop and disconnect the inverter. Restart the inverter when the ambient temperature falls within the operation temperature range.”

Model
Sungrow SG125HV/SG125HV-20
Display shows
Low ambient temperature (043)
Type
Fault code
Source
Manual p. 82

What 043 means

Low ambient temperature p. 82

Common causes

  • ambient temperature is lower than the temperature at which the inverter can operate normally. p. 82

What to do

  1. Stop and disconnect the inverter. Restart the inverter when the ambient temperature falls within the operation temperature range. p. 82

Before you service the product, read the safety instructions in the manual p. 5.

If 043 is still not resolved

  • Refer Servicing To Qualified Service Personnel. p. 5
    “Refer Servicing To Qualified Service Personnel.”
  • Check user manual before service! p. 5
    “Check user manual before service!”

This page summarises what the manufacturer’s manual says about 043; 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 Sungrow. Found a mistake? Report an error.