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SUN2000-(100KTL, 110KTL, 125KTL) Series User Manual

This document describes the SUN2000-125KTL-M0,SUN2000-110KTL-M0,SUN2000-100KTL-M0,SUN2000-100KTL-M1 and SUN2000-100KTL-INM0 in terms of its installation, electrical connections, commissioning, maintenance, and troubleshooting. BOM number: 01074693, 01074694, 01074695, 01074695-001 and 01074695-002.

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Indicator Status

Indicator Status

Figure 2-10 Indicator

No.

Indicator

Status (Blinking Fast: On for 0.2s and then Off for 0.2s; Blinking Slowly: On for 1s and then Off for 1s)

Description

1

PV connection indicator



Steady green

At least one PV string is properly connected, and the DC input voltage of the corresponding MPPT circuit is at least 200 V.

Blinking green fast

If the alarm/maintenance indicator is red, an environmental fault at the DC side of the solar inverter is generated.

Off

The solar inverter disconnects from all PV strings, or the DC input voltage of all MPPT circuits is less than 200 V.

2

Grid connection indicator

Steady green

The solar inverter is in grid-tied mode.

Blinking green fast

If the alarm/maintenance indicator is red, an environmental fault (excluding Grid Loss) at the AC side of the solar inverter is generated.

Off

The solar inverter is not in grid-tied mode (due to reasons including Grid Loss).

3

Communications indicator

Blinking green fast

The solar inverter receives communication data normally.

Off

The solar inverter has not received communication data for 10 seconds.

4

Alarm/Maintenance indicator

Alarm status

Steady red

A major alarm is generated.

  • If the PV connection indicator or grid connection indicator is blinking green fast, troubleshoot DC or AC environmental faults as instructed by the SUN2000 app.
  • If the PV connection indicator and grid connection indicator are both not blinking green fast, replace components or the solar inverter as instructed by the SUN2000 app.

Blinking red fast

A minor alarm is generated.

Blinking red slowly

A warning alarm is generated.

Local maintenance status

Steady green

Local maintenance succeeds.

Blinking green fast

Local maintenance fails.

Blinking green slowly

In local maintenance or shuts down over a command.

  • The PV connection indicator and the grid connection indicator preferentially indicate environmental faults.
  • Local maintenance refers to operations performed after a USB flash drive, a WLAN module, a Bluetooth module, or a USB data cable is inserted into the USB port of the solar inverter. For example, local maintenance includes data import and export using a USB flash drive, and connecting to the SUN2000 app over a WLAN module, a Bluetooth module, or a USB data cable.
  • If an alarm is generated during local maintenance, the alarm/maintenance indicator shows the local maintenance state first. After the USB flash drive, WLAN module, Bluetooth module, or USB data cable is removed, the indicator shows the alarm state.
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Updated: 2019-12-25

Document ID: EDOC1100087908

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