Sungrow SG125HV/SG125HV-20 Error 037: Temperature anomaly

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

Fault code037

Temperature anomaly means the internal temperature of the inverter has exceeded safe operating levels. The manual's first action is: “1. Check whether the inverter is directly exposed to sunlight. If so, take some shading measures. 2. Check and clean the air ducts. 3. Check whether there is 070 (fan anomaly) alarm via the APP or the LCD. If so, replace the fans.”

Model
Sungrow SG125HV/SG125HV-20
Display shows
Temperature anomaly (037)
Type
Fault code
Source
Manual p. 81

What 037 means

Temperature anomaly p. 81

Common causes

  • The temperature of the power module or the interior of the inverter is excessively high and out of the safe range. p. 81

What to do

  1. 1. Check whether the inverter is directly exposed to sunlight. If so, take some shading measures. 2. Check and clean the air ducts. 3. Check whether there is 070 (fan anomaly) alarm via the APP or the LCD. If so, replace the fans. p. 81

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

If 037 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 037; 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.