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Huawei SUN2000-8KTL-M2 - User Manual

Huawei SUN2000-8KTL-M2
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SUN2000-(8KTL-20KTL)-M2
User Manual
Issue 11
Date 2023-02-07
HUAWEI TECHNOLOGIES CO., LTD.

Table of Contents

Other manuals for Huawei SUN2000-8KTL-M2

Preview: Quick Guide
Quick Guide26 pages

Questions and Answers

  • D
    Dr. Robin Hebert DVMAug 29, 2025
    Why does my Huawei SUN2000-8KTL-M2 show Abnormal Grounding and how do I fix it?
    • B
      blakejessicaAug 29, 2025
      If your Huawei Inverter displays an 'Abnormal Grounding' error, it indicates that the N cable or ground cable is not connected, especially when a PV array is grounded and the inverter output isn't connected to an isolation transformer. To resolve this: * Power off the inverter and check the PE cable connection. * If connected to a TN power grid, verify the N cable connection and its voltage to ground. * If the output is connected to an isolation transformer, disable Grounding inspection via the mobile app, SmartLogger, or NMS.
  • J
    James WilliamsonAug 29, 2025
    What causes String Current Backfeed on a Huawei SUN2000-8KTL-M2 and how to resolve it?
    • Z
      zmorganAug 30, 2025
      If your Huawei Inverter reports 'String Current Backfeed,' it means that too few PV modules are connected in series, causing the end voltage to be lower than other PV strings. To resolve this: 1. Check if the number of PV modules connected in series is less than that of other PV strings. If so, wait until the PV string current drops below 0.5 A, set the DC SWITCH to OFF, and adjust the number of PV modules. 2. Check if the PV string is shaded. 3. Check if the open-circuit voltage of the PV string is normal.
  • M
    Michelle RamirezAug 31, 2025
    Why is my Huawei SUN2000-8KTL-M2 Inverter showing Grid Undervoltage and what should I do?
    • E
      Elizabeth WardAug 31, 2025
      If your Huawei Inverter displays a 'Grid Undervoltage' error, it indicates that the power grid voltage is below the lower threshold or the undervoltage duration exceeds the value specified by LVRT. Here's how to address it: 1. If the alarm occurs occasionally, the power grid may be temporarily abnormal. The SUN2000 automatically recovers once the power grid returns to normal. 2. If the alarm occurs frequently, verify that the grid voltage is within the acceptable range. If not, contact your local power operator. If it is, use the mobile app, SmartLogger, or NMS to adjust the grid undervoltage protection threshold with approval from the power operator. 3. If the problem persists, check the connection between the AC switch and the output power cable.
  • J
    Jessica BrowningAug 25, 2025
    What to do if the Huawei SUN2000-8KTL-M2 Upgrade Failed or Software Version Unmatch?
    • S
      Steven WheelerAug 25, 2025
      If your Huawei Inverter displays 'Upgrade Failed or Software Version Unmatch,' it means the upgrade process did not complete successfully. To resolve this: 1. Try performing the upgrade again. 2. If the upgrade fails multiple times, contact your dealer or Huawei technical support.
  • K
    Kaylee MooreSep 1, 2025
    Why is my Huawei SUN2000-8KTL-M2 Inverter showing Grid Overfrequency and how do I fix it?
    • P
      Paula KnightSep 1, 2025
      If your Huawei Inverter displays a 'Grid Overfrequency' alarm, it means the power grid frequency is higher than the standard requirement for your local power grid. To address this: 1. If the alarm occurs occasionally, it may be due to a temporary power grid abnormality. The SUN2000 will automatically recover when the grid returns to normal. 2. If the alarm occurs frequently, check whether the grid frequency is within the acceptable range. If not, contact your local power operator. If it is, log in to the mobile phone app, SmartLogger, or NMS to modify the grid overfrequency protection threshold.
  • M
    Melissa GraySep 2, 2025
    What causes Grid Underfrequency on a Huawei SUN2000-8KTL-M2 Inverter?
    • B
      Brittany AlexanderSep 2, 2025
      If your Huawei Inverter shows a 'Grid Underfrequency' error, it indicates that the power grid frequency is lower than the standard requirement for the local power grid. Follow these steps: 1. If the alarm occurs occasionally, the power grid may be temporarily abnormal. The SUN2000 automatically recovers after detecting that the power grid becomes normal. 2. If the alarm occurs frequently, check whether the grid frequency is within the acceptable range. If not, contact the local power operator. If yes, log in to the mobile phone app, SmartLogger, or NMS to modify the grid underfrequency protection threshold.
  • M
    Mrs. Marie PowellSep 2, 2025
    What does Unstable Grid Frequency mean on my Huawei Inverter and how can I resolve it?
    • J
      Jessica WilsonSep 3, 2025
      If your Huawei Inverter displays 'Unstable Grid Frequency,' it indicates that the grid frequency change rate does not comply with the local power grid standard. Here’s what you should do: 1. If the alarm occurs occasionally, the power grid may be temporarily abnormal. The SUN2000 automatically recovers after detecting that the power grid becomes normal. 2. If the alarm occurs frequently, check whether the power grid frequency is within the acceptable range. If not, contact the local power operator.
  • C
    Christopher JohnsonSep 3, 2025
    How to troubleshoot Power grid phase wire short-circuit to PE on Huawei SUN2000-8KTL-M2?
    • W
      William CampbellSep 3, 2025
      If your Huawei Inverter reports 'Power grid phase wire short-circuit to PE', it means the impedance of the output phase wire is low or short-circuited to PE. Check the impedance of the output phase wire to PE, locate the position with lower impedance and restore that.
  • S
    samantha05Sep 4, 2025
    What does Output Overcurrent mean on my Huawei SUN2000-8KTL-M2?
    • R
      Russell RileySep 4, 2025
      If your Huawei SUN2000 Inverter is showing an 'Output Overcurrent' error, it means that the power grid voltage has dropped dramatically or the power grid is short-circuited, causing the inverter's transient output current to exceed the upper threshold. The SUN2000 detects its external working conditions in real time and automatically recovers after the fault is rectified. If the alarm occurs frequently, check whether the output is short-circuited. If the fault persists, contact your dealer or Huawei technical support.
  • M
    Manuel RodriguezSep 4, 2025
    What does Output DC Component Overhigh mean on my Huawei SUN2000-8KTL-M2 and how to resolve it?
    • S
      shannon89Sep 5, 2025
      If your Huawei Inverter displays an 'Output DC Component Overhigh' error, it indicates that the DC component of the output current exceeds the specified upper threshold. The SUN2000 detects its external working conditions in real time and automatically recovers after the fault is rectified. If the alarm occurs frequently, contact your dealer or Huawei technical support.

Huawei SUN2000-8KTL-M2 Specifications

General IconGeneral
Rated Output Power8 kW
Max. DC Voltage1100 V
Start Voltage200 V
Rated DC Voltage600 V
Number of MPP Trackers2
Max. Input Current per MPPT13 A
Max. Short-Circuit Current per MPPT15 A
Rated AC Frequency50 Hz / 60 Hz
Adjustable Power Factor Range0.8 leading - 0.8 lagging
Total Harmonic Distortion (THD)< 3%
Protection ClassIP65
Operating Temperature Range-25 °C to +60 °C
CoolingNatural convection
Efficiency Max.98.6%
Max. Apparent AC Power8, 800 VA
Rated AC Voltage230 V
DC Injection Current< 0.5 mA
Relative Humidity0% - 100%
Operating AltitudeUp to 4000 m
DisplayLED Indicators
CommunicationRS485
Warranty5 years (Standard), 10 years (Optional)

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