Huawei SUN2000 Series

Other manuals for Huawei SUN2000 Series

Quick Guide23 pages

Quick Installation Guide12 pages

Questions and Answers

N
Nicole ShannonAug 30, 2025
What to do if Huawei SUN2000 Inverter reports abnormal PV module configuration?
- J
  Jeremy VillaAug 30, 2025
  An abnormal PV module configuration error on your Huawei Inverter means the PV string power or the number of optimizers connected in series in a PV string exceeds the upper threshold. It could also mean the number of optimizers connected in series in a PV string is less than the lower threshold, the PV string output is reversely connected, or the output of some optimizers in the PV string is reversely connected. Check whether the total number of PV modules, number of PV modules in a PV string, and number of PV strings meet requirements and whether the PV module output is reversely connected.
B
Bethany RobinsonAug 30, 2025
What does built-in PID operation abnormal mean on a Huawei SUN2000?
- T
  Theodore TurnerAug 30, 2025
  If your Huawei Inverter displays a built-in PID operation abnormal message, it means the output resistance of PV arrays to ground is low, or the system insulation resistance is low. Turn off the AC output switch and DC input switch, wait for a period of time, and then turn them back on. If the alarm persists, contact your dealer or Huawei technical support.
J
Janet VasquezSep 23, 2025
Why is my Huawei SUN2000 showing Output DC Component Overhigh?
- M
  Mia HahnSep 23, 2025
  If your Huawei Inverter is showing an 'Output DC Component Overhigh' error, it means the DC component in the grid current exceeds the upper threshold. The inverter monitors its external working conditions in real time and will automatically recover after the fault is rectified. If the alarm occurs frequently, contact your dealer or Huawei technical support.
M
Mrs. Carol WilliamsSep 23, 2025
What does Device Fault mean on Huawei Inverter?
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  Tammy BruceSep 23, 2025
  If your Huawei Inverter is showing a 'Device Fault', it means an unrecoverable fault has occurred on a circuit inside the inverter. Turn off the AC output switch and DC input switch, and then turn them on after 5 minutes. If the fault persists, contact your dealer or Huawei technical support. Note: If the cause ID is ID 1, perform the preceding operation when the PV string current is less than 1 A.
D
Donald CarrollSep 12, 2025
What does 'Output DC component overhigh' mean on Huawei Inverter?
- S
  Susan ReevesSep 12, 2025
  An 'Output DC component overhigh' alarm on your Huawei Inverter means the DC component of the inverter output current exceeds the upper threshold. The inverter monitors its external operating conditions in real time and automatically recovers after the fault is rectified. If the alarm persists and affects the energy yield of the PV plant, contact your dealer or Huawei technical support.
W
Wendy LopezAug 31, 2025
What should I do if my Huawei SUN2000 reports a faulty power collector?
- T
  Tara PayneAug 31, 2025
  A faulty power collector error on your Huawei Inverter indicates that the power meter is disconnected. Check the following: 1. Ensure the configured power meter model matches the actual model. 2. Verify that the power meter's communication parameters match the inverter's RS485 configurations. 3. Confirm that the power meter is powered on and the RS485 communication cable is connected.
J
james77Aug 31, 2025
What does abnormal active power scheduling instruction mean on a Huawei SUN2000 Inverter?
- K
  Kenneth MarshallAug 31, 2025
  If your Huawei Inverter displays an abnormal active power scheduling instruction, it means the DI input is abnormal or inconsistent with the configuration. Check whether the cables are correctly connected to the DI ports. On the DI active scheduling screen under the dry contact scheduling settings, view the DI signal configuration mapping table. Contact the power grid company to check whether the configurations in the mapping table are complete and meet the requirements.
O
ocookSep 1, 2025
What does abnormal reactive power scheduling instruction mean on a Huawei SUN2000 Inverter?
- R
  Rita GallagherSep 1, 2025
  If your Huawei Inverter displays an abnormal reactive power scheduling instruction, it means the DI input is abnormal or inconsistent with the configuration. Check whether the cables are connected correctly to the DI ports. On the DI reactive power scheduling screen under the dry contact scheduling settings, view the DI signal configuration mapping table. Contact the power grid company to check whether the configurations in the mapping table are complete and meet the requirements.
R
Rhonda LivingstonSep 1, 2025
What to do if my Huawei SUN2000 Inverter shows Grid Loss?
- V
  vgriffinSep 1, 2025
  If your Huawei Inverter indicates a Grid Loss, it means there might be an outage in the power grid, the AC power cable could be disconnected, or the AC circuit breaker might be off. To resolve this, first, verify that the AC voltage is normal. Second, ensure that the AC power cable is properly connected and the AC switch is turned ON.
P
Paige DominguezSep 1, 2025
Why is my Huawei SUN2000 Inverter showing Grid Undervoltage?
- R
  Rebecca MayerSep 1, 2025
  If you're seeing a Grid Undervoltage error on your Huawei Inverter, it means the grid voltage is below the lower threshold or the low voltage duration has lasted longer than specified. If the alarm occurs accidentally, it may be a temporary issue with the power grid, and the inverter should automatically recover. If it occurs frequently, check if the grid voltage is within the acceptable range. If it isn't, contact your local power operator. If it is, you can log in to the mobile phone app, SmartLogger, or NMS to modify the grid undervoltage protection threshold, with the consent of the local power operator. Also, check the connection between the AC switch and the output power cable.

Summary

Safety Information

General Safety Precautions

General safety statements and precautions for equipment operation.

Personnel Safety Requirements

Outlines qualifications and training required for personnel.

Electrical Safety Guidelines

Grounding requirements and general electrical safety precautions.

Installation Guide

Installation Tools and Equipment

Lists tools and PPE needed for installation.

Determining Installation Position

Guidelines for selecting the optimal installation location.

Mounting Bracket Installation

Process of installing the mounting bracket for the inverter.

Installing the Solar Inverter

Step-by-step guide to safely install the solar inverter.

Electrical Connections

Connection Safety Precautions

Essential safety precautions before making electrical connections.

Connecting DC Input Power Cables

Procedure for connecting DC input power cables.

Connecting AC Output Power Cable

Procedure for connecting the AC output power cable.

Commissioning and Operation

Pre-Power-on Checks

Acceptance criteria to verify before powering on the inverter.

Powering On the SUN2000

Procedure and precautions for powering on the inverter.

SUN2000 App Operations

Using the SUN2000 mobile app for inverter management.

Maintenance and Troubleshooting

Shutdown and Power-Off Procedures

Procedures for safely shutting down and powering off the inverter.

Troubleshooting Common Alarms

Common alarms, causes, and troubleshooting measures.

Fan Replacement Guide

Instructions for replacing a faulty fan unit.

Technical Specifications

Input Electrical Specifications

Lists input voltage, current, and MPPT specifications.

Output Electrical Specifications

Lists output power, voltage, current, and frequency.

Huawei SUN2000 Series Specifications

General

Max Efficiency	98.6%
MPPT Efficiency	99.9%
Protection Rating	IP65
Max. DC Voltage	1100 V
Rated AC Frequency	50 Hz / 60 Hz
Rated Power	3kW - 10kW
Operating Temperature Range	-25 °C ~ +60 °C
Communication	RS485
Rated AC Power	3kW - 10kW
Power Factor Adjustment Range	0.8 leading to 0.8 lagging
Total Harmonic Distortion (THD)	≤ 3%
Protection	DC reverse polarity
Cooling	Natural convection
DC Connection	MC4