Resetting password of SUN2000-215KTL-H0,215KTL-H3,330KTL-H1 Solar inverters

Prerequisites

• SUN2000HA V300R001C00SPC133 and later versions support password reset (for SUN2000-215KTL-H0 & 215KTL-H3)
• You are advised to reset the password in the morning or at night when the solar irradiance is low.

Procedure

Step 1

Check that the AC and DC  sides of the inverter are both powered on, and indicators and are steady green or blinking slowly for more than 3 minutes.
Step 2

Turn off the AC switch, set the DC SWITCH at the bottom of the inverter to OFF, and wait until all LED indicators on the inverter panel turn off.

Step 3

Complete the following operations within 4 minutes: 

1. Turn on the AC switch and wait for about 90s or until the inverter indicator blinks.
2. Turn off the AC switch and wait about 30s or until all LED indicators on the
   inverter panel turn off.
3. Turn on the AC switch and wait for about 90s or until the inverter indicator   blinks.        

Step 4

Log in to the app and reset the password within 10 minutes. (If no operation is performed within 10 minutes, all parameters of the inverter remain unchanged.)