How do I resolve a 'Grid configuration parameter error' on my Hoymiles Inverter?
Check if the grid configuration parameter is correct and upgrade again. If the fault still exists, contact your dealer or Hoymiles technical support.
What to do if my Hoymiles Inverter is offline?
First, ensure the microinverter is functioning correctly. Then, check the communication status between the DTU and the Hoymiles monitoring system, or between the DTU and the microinverter. If the communication is poor, try to improve it. If the alarm occurs frequently and cannot be resolved, it's recommended to contact your dealer or Hoymiles technical support.
What to do if my Hoymiles Inverter reports grid overvoltage?
If the alarm occurs accidentally, it's possible the grid voltage is temporarily abnormal; the microinverter should recover automatically once the voltage returns to normal. However, if the alarm occurs frequently, verify that the grid voltage is within the acceptable range. If it's not, contact your local power operator or, with their consent, adjust the grid overvoltage protection limit via the Hoymiles monitoring system.
What does it mean when my Hoymiles Inverter shows '10 min value grid overvoltage'?
If this alarm appears once, it might indicate a temporary issue with the grid voltage. The microinverter should automatically recover when the grid voltage stabilizes. However, if the alarm is frequent, you should check if the grid voltage is within the normal range. If it is not, contact your local power operator or, with their consent, adjust the grid overvoltage protection limit using the Hoymiles monitoring system.
What should I do if my Hoymiles Inverter displays a grid undervoltage error?
If the alarm occurs once, the grid voltage may be temporarily abnormal. The microinverter should recover automatically once the grid voltage returns to normal. If the alarm occurs frequently, check whether the grid voltage is within the acceptable range. If not, contact the local power operator or change the grid overvoltage protection limit via the Hoymiles monitoring system with the consent of the local power operator.
What to do if Hoymiles Inverter shows grid overfrequency?
If the alarm occurs accidentally, the grid frequency may be temporarily abnormal. The microinverter can recover automatically after the grid frequency becomes normal. If the alarm occurs frequently, check whether the grid frequency is within the acceptable range. If not, contact the local power operator or change the grid overfrequency protection limit via the Hoymiles monitoring system with the consent of the local power operator.
What does it mean if my Hoymiles Inverter displays 'Input port 5&6 overvoltage'?
Please make sure that the PV module open-circuit voltage is less than or equal to the maximum input voltage. If the PV module open-circuit voltage is within the normal range, contact your dealer or Hoymiles technical support.
What does it mean when my Hoymiles Inverter displays 'Abnormal phase difference between phase to phase'?
Please check that the wiring of each phase is completely correct. This fault is usually caused by the wrong phase.
What does it mean if my Hoymiles Inverter reports a grid disconnection?
Please check whether the AC switch or AC wiring is normal.
What does it mean if my Hoymiles Inverter detects an island?
If the alarm occurs accidentally, the grid voltage may be abnormal temporarily. The microinverter can recover automatically after grid voltage becomes normal. If the alarms occur frequently on all the microinverters in your station, contact the local power operator to check whether there is a grid island. If the alarm still exists, contact your dealer or Hoymiles technical support.
General| Type | Microinverter |
|---|---|
| Output Power | 1800W |
| Cooling Method | Natural Convection |
| Enclosure Rating | IP67 |
| Model | HMT-1800 |
| Product Name | Hoymiles Microinverter |
| Input Voltage Range | 16-60V |
| MPPT Voltage Range | 16-60V |
| Rated AC Output Voltage | 230V |
| AC Output Frequency | 50/60Hz |
| Operating Temperature Range | -40°C to +65°C |
| Ambient Temperature Range | -40°C to +65°C |
Details the range of Hoymiles Three-Phase Microinverters covered by this manual.
Lists the necessary accessories for the microinverter system.
Specifies the intended audience for this user manual, focusing on qualified technicians.
Explains the meaning of symbols used throughout the manual for safety and warnings.
Provides information regarding the device's compliance with radio interference regulations.
Crucial safety precautions for installation, operation, and maintenance of the microinverter.
Details the safety symbols and their meanings, including danger, caution, and CE mark.
Introduction to the three-phase microinverter system and its application in solar energy.
Explanation of Sub-1G wireless technology and its benefits for PV systems.
Key features and advantages of the Hoymiles three-phase microinverter.
Identification and description of the different terminals on the microinverter unit.
Provides the physical dimensions and specifications of the microinverter.
Information on compatible photovoltaic (PV) modules for the HMT series microinverters.
Details the AC branch circuit capacity for different models based on cable gauge.
Guidelines for the correct positioning and necessary clearance for microinverter installation.
Lists and describes the required accessories for microinverter installation.
Steps to prepare for the microinverter installation, including cable planning.
Step-by-step instructions for physically installing the microinverter and making connections.
A comprehensive list of alarm codes, their names, and suggested solutions for common issues.
Explanation of the LED indicator states and what they signify during operation.
Procedures for diagnosing and troubleshooting inoperable microinverters on-site.
Guidelines for regular maintenance tasks to ensure optimal performance and longevity.
Instructions on how to safely remove and replace a faulty microinverter unit.
Procedures for safely disconnecting and removing the microinverter from the system.
Guidelines for proper storage and transportation of microinverter components.
Instructions for the environmentally responsible disposal of the microinverter and its parts.
Specifications related to the direct current (DC) input parameters of the microinverter.
Technical specifications for the alternating current (AC) output of the microinverter.
Data on efficiency, safety features, and protection mechanisms of the microinverter.
Physical and mechanical specifications including dimensions, weight, and enclosure rating.
Key features such as communication, monitoring, warranty, and compliance certifications.
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