Hoymiles HM-300NT, Руководство пользователя

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HM-300NT/HM-350NT/HM-400NT
B)
Connect the PV modules’ DC cables to the DC input side of the microinverter.
Step 6. Energize the System
A) Turn on the AC breaker of the branch circuit.
B) Turn on the main AC breaker of the house. Your system will start to generate power after about
two-minute wait time.
Step 7. Set Up the Monitoring System
Refer to the DTU User Manual or DTU Quick Install Guide, and Quick Installation Guide for HMP
Online Registration to install the DTU and set up the monitoring system.
Product information is subject to change without notice. (Please download reference manuals at
www.hoymiles.com)
6. Troubleshooting
6.1 Troubleshooting List
Alarm
Code
Alarm Name Suggestion
121
Over temperature
protection
1. Check the ventilation and ambient temperature at the microinverter
installation position.
2. If the ventilation is poor or the ambient temperature exceeds the limit,
improve the ventilation and heat dissipation.
3. If both the ventilation and ambient temperature meet the requirements,
contact your dealer or Hoymiles technical support.
125
Grid configuration
parameter error
1.Check if the grid configuration parameter is correct and upgrade again.
2. If the fault still exists, contact your dealer or Hoymiles technical
support.