Sungrow SG125HV/SG125HV-20 Error 048-050: Device anomaly

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

Fault code048-050

Device anomaly indicates an unknown malfunction requiring a restart after disconnecting and reconnecting power switches. The manual's first action is: “Wait for the inverter to return to normal. Disconnect the AC and DC switches, and reconnect the AC and DC switches 15 minutes later to restart the inverter. If the fault still exists, contact Sungrow Service.”

Model
Sungrow SG125HV/SG125HV-20
Display shows
Device anomaly (048-050)
Type
Fault code
Source
Manual p. 82

What 048-050 means

Device anomaly p. 82

What to do

  1. Wait for the inverter to return to normal. Disconnect the AC and DC switches, and reconnect the AC and DC switches 15 minutes later to restart the inverter. If the fault still exists, contact Sungrow Service. p. 82

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

If 048-050 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!”
Open the manual at page 82 All SG125HV/SG125HV-20 error codes Manual details & download

This page summarises what the manufacturer’s manual says about 048-050; 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.