Hoymiles MI-1500 User Manual

Hoymiles MI-1500

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Open Energy for All

Single-phase Microinverter

USER MANUAL

MI-1000

MI-1200

MI-1500

Region: North America V202105 hoymiles.com

Other manuals for Hoymiles MI-1500

Quick Installation Guide2 pages

Questions and Answers:

L
Lindsay WilliamsAug 31, 2025
How to troubleshoot over temperature protection on my Hoymiles MI-1500 Inverter?
- K
  karenbrayAug 31, 2025
  To address the over temperature protection issue with your Hoymiles Inverter, you should: 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.
W
warrenderekAug 29, 2025
What should I do if my Hoymiles Inverter is showing a grid underfrequency alarm?
- R
  Robert BrownAug 29, 2025
  If the Hoymiles inverter alarm for grid underfrequency occurs accidentally, the grid frequency may be abnormal temporarily and the microinverter can recover automatically after grid frequency becomes normal. If the alarm occurs frequently, check whether the grid frequency is within the acceptable range.
D
Dana CameronAug 28, 2025
What does it mean when my Hoymiles MI-1500 shows a 'Rapid grid frequency change rate' alarm?
- T
  Taylor PowellAug 28, 2025
  If the Hoymiles inverter alarm for rapid grid frequency change rate occurs accidentally, the grid frequency may be abnormal temporarily and the microinverter can recover automatically after grid frequency becomes normal. If the alarm occurs frequently, check whether the grid frequency change rate is within the acceptable range. If not, contact the local power operator or change the grid frequency change rate limit via Hoymiles monitoring system with the consent of the local power operator.
S
shelby68Aug 27, 2025
What should I do if my Hoymiles Inverter displays a grid overfrequency alarm?
- A
  ahessAug 27, 2025
  If the Hoymiles inverter alarm for grid overfrequency occurs accidentally, it may be a temporary issue. The microinverter should recover automatically when the grid frequency returns to normal. If the alarm occurs frequently, check if the grid frequency is within the acceptable range. If it is not, contact your local power operator or, with their consent, change the grid overfrequency protection limit via the Hoymiles monitoring system.
K
kenneth28Aug 27, 2025
What should I do if my Hoymiles MI-1500 Inverter shows a grid undervoltage error?
- C
  Christina KleinAug 27, 2025
  If the Hoymiles inverter alarm for grid undervoltage occurs accidentally, it might be a temporary issue, and the microinverter should automatically recover once the grid voltage returns to normal. If the alarm appears frequently, verify that the grid voltage is within the acceptable range. If not, contact the local power operator or change the grid undervoltage protection limit via Hoymiles monitoring system with the consent of the local power operator. If the fault still exists, check the AC switch or AC wiring.
J
Joseph FernandezAug 25, 2025
What should I do if my Hoymiles MI-1500 displays a '10 min value grid overvoltage' error?
- A
  Amy IbarraAug 26, 2025
  If the Hoymiles inverter alarm for 10 min value grid overvoltage occurs accidentally, it might be a temporary issue, and the microinverter should automatically recover once the grid voltage returns to normal. If the alarm appears frequently, verify that the grid voltage is within the acceptable range. If it's not, you may need to contact your local power operator or, with their consent, adjust the grid overvoltage protection limit through the Hoymiles monitoring system.
G
gmcleanAug 22, 2025
How do I fix a firmware error on my Hoymiles MI-1500 Inverter?
- M
  Michael ChavezAug 23, 2025
  If the Hoymiles Inverter shows a firmware error, check if the firmware is correct and upgrade again. Also, check the communication between the DTU and the Hoymiles monitoring system, as well as the communication between the DTU and the microinverter. If the fault persists, contact your dealer or Hoymiles technical support.
S
sanchezmelindaSep 12, 2025
What does Hardware Error Code 301 mean on my Hoymiles MI-1500?

Hoymiles MI-1500 Specifications

General

Model	MI-1500
Startup Voltage	16V
Maximum Input DC Voltage	60V
Power Factor	>0.99
Total Harmonic Distortion (THD)	<3%
Efficiency	96.5%
Cooling Method	Natural Convection
Input Voltage Range	16-60V
Nominal Output Frequency/Range	50Hz/60Hz
MPPT Voltage Range	16V-60V
Output Frequency	50Hz/60Hz
Rated Output Power	1500VA
Output Power	1500VA

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