KStar KSG-12K User Manual (English)

Questions and Answers:

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Christine OlsonAug 20, 2025
How to fix AC voltage or frequency too high/low on KStar KSG-12K Inverter (F00-F03)?
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  Benjamin SanchezAug 21, 2025
  If your KStar Inverter displays an F00-F03 error, indicating that the AC voltage or frequency is too high or too low, take the following steps: 1. Verify that the mains voltage complies with the local safety standards. 2. Ensure the AC output line is properly connected and check if its output voltage is normal. 3. Disconnect the PV input, restart the inverter, and check if the fault persists. 4. If the fault continues, it is recommended to contact your local distributor.
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Sarah TuckerAug 22, 2025
What to do if my KStar KSG-12K Inverter shows 'Ambient Temperature High' (F12)?
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  laliAug 22, 2025
  If your KStar Inverter displays error code F12, indicating a high ambient temperature, take these steps: 1. Disconnect the PV input and allow the inverter to cool down. Then, restart the inverter to see if normal operation resumes. 2. Check the environmental temperature to ensure it is within the specified working range. 3. If the fault persists, contact your local distributor for further assistance.
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Thomas DominguezAug 25, 2025
How to resolve Heatsink Temperature High (F13) error on KStar KSG-12K Inverter?
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  Elizabeth SmithAug 25, 2025
  If you're seeing a 'Heatsink Temperature High' error (F13) on your KStar Inverter, follow these steps: 1. Disconnect the PV input and allow the inverter to cool down before restarting it to see if it returns to normal operation. 2. Verify that the environmental temperature is within the recommended working range. 3. If the problem persists, contact your local distributor.
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John CastroAug 26, 2025
What should I do if my KStar KSG-12K displays 'Bus Voltage Abnormal' (F06)?
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  Jonathan AndrewsAug 27, 2025
  If your KStar Inverter is showing a 'Bus Voltage Abnormal' error (F06), try the following: 1. Check the setting of input mode. 2. Try restarting the inverter every few minutes, several times, to see if the fault clears. 3. If the fault persists, contact your local distributor for assistance.
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gentryjoannaAug 28, 2025
What does 'Insulation impedance Fault' (F07) mean on my KStar KSG-12K?
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  Stephanie RiveraAug 28, 2025
  If your KStar Inverter is showing an 'Insulation impedance Fault' (F07), try the following steps: 1. Disconnect the PV input and restart the inverter to see if the fault clears. 2. Measure the impedance of PV+/PV- to ground to ensure it is above 500KΩ. 3. If the impedance is less than 500KΩ, contact your local distributor.
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Victor AlexanderAug 29, 2025
What does Remote Off (F16) mean on KStar Inverter?
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  ewhiteAug 29, 2025
  The 'Remote Off (F16)' message on your KStar Inverter indicates that the inverter is in a remote OFF status. This means the inverter can be turned off or on remotely using monitoring software.
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Barry DavisAug 31, 2025
What to do if KStar KSG-12K displays 'Hardware Current High' (F09)?
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  elizabethrichmondAug 31, 2025
  If your KStar Inverter displays 'Hardware Current High' (F09), here’s what you should do: 1. Disconnect the PV input and restart the inverter after a few minutes to see if the fault clears. 2. If the fault persists, contact your local distributor.
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iwilliamsSep 2, 2025
What should I do if my KStar KSG-12K shows 'Inverter Current High' (F10)?
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  juliapetersonSep 2, 2025
  If your KStar Inverter displays 'Inverter Current High' (F10), try the following: 1. Disconnect the PV input and restart the inverter after a few minutes to see if the fault clears. 2. If the fault persists, contact your local distributor.
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Brittany SantiagoSep 4, 2025
What to do if KStar KSG-12K Inverter displays 'Inverter DC Current high' (F11)?
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  Joshua ClarkSep 4, 2025
  If your KStar Inverter displays 'Inverter DC Current high' (F11), here’s what you should do: 1. Disconnect the PV input and restart the inverter after a few minutes to see if the fault clears. 2. If the fault persists, contact your local distributor.
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shayesSep 5, 2025
How do I fix an AC Relay Fault (F14) on my KStar KSG-12K?
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  Charles JacksonSep 5, 2025
  If your KStar Inverter is showing an AC Relay Fault (F14), try these steps: 1. Disconnect the PV input and restart the inverter to see if the fault clears. 2. If the fault persists, contact your local distributor.

KStar KSG-12K Specifications

General

Model	KSG-12K
Rated Power	12 kW
Output Voltage	230/400 V
Efficiency	98.2%
Cooling Method	Fan Cooling
Frequency	50/60 Hz
Protection Features	Overload, short circuit, over temperature
Type	Grid-tied Inverter