Sungrow SG125HV/SG125HV-20 Error 220-227: PVx abnormal

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

Fault code220-227

One of the PV strings connected to this Sungrow SG125HV/SG125HV-20 inverter is reporting abnormal behavior. The manual's first action is: “If not, ignore the alarm; and If so, check the connection status and make sure it is connected reliably.”

Model
Sungrow SG125HV/SG125HV-20
Display shows
PVx abnormal (220-227)
Type
Fault code
Source
Manual p. 85

What 220-227 means

PVx abnormal p. 85

Common causes

  • Check if the xth PV string needs to be connected. p. 85
  • Check if the xth DC fuse is damaged. p. 85
  • If the fault is not caused by the foregoing reasons and still exists p. 85

What to do

  1. If not, ignore the alarm; and If so, check the connection status and make sure it is connected reliably. p. 85
  2. If so, replace the fuse. p. 85
  3. contact Sungrow Service. p. 85

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

If 220-227 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 85 All SG125HV/SG125HV-20 error codes Manual details & download

This page summarises what the manufacturer’s manual says about 220-227; 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.