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LG Electronics LGxxxA1C-B3 - page 1
L GxxxA1C-B3 T r oubleshoo ting Guide P erfect AC TM Module The Difference is in the Det ail ...
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LG Electronics LGxxxA1C-B3 - page 2
2 Product Specifications AC module DC Input Parameter Section Value Power Max. 295 W 300W 305W Tolerance 3 % 3 % 3 % Voltage Open Circuit 39.7 V 39.8 V 40.0 V Max. Power Point 31.8 V 32.0 V 32.1 V Current Short Circuit 9.85 A 9.98 A 10.10 A Max. Power Point 9.28 A 9.40 A 9.52 A Efciency Relative Reduction < 2.0% Note : *Relative efciency r ...
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LG Electronics LGxxxA1C-B3 - page 3
3 AC module Mechanical Data Micro Inverter Model (Utility Interactive) LM305UE-G1 Enclosure Rating Type 6 Operating Ambient Temperature - 40 ~ 65 °C (-40 ~ 145 °F ) Operating Temperature (internal) - 40 ~ 90 °C (-40 ~ 194 °F ) Storage Temperature - 40 ~ 90 °C (-40 ~ 194 °F ) Weight 18.0 kg Certication UL 1703, IEC 61215 Ed 2, IEC 61730 Saf ...
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LG Electronics LGxxxA1C-B3 - page 4
4 IEEE 1547 (Default) Parameter Range Clearing Time (s) Phase Voltage V < 60V <0.16 Voltage 60V ≤ V < 106V < 2.00 132 ≤ V < 144V < 1.00 V ≥ 144V < 0.16 (< 0.016, Hawaii mode - TOV) 1) Frequency > 60.5Hz < 0.16 < 59.3Hz (< 57 Hz, Hawaii mode) 1) < 0.16 Note 1 : This test is performed in nominal conditions ...
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LG Electronics LGxxxA1C-B3 - page 5
5 Table of Contents Product Specifications 2 1 Safety 6 2 Messages and Alerts 1-1 APP Messages 8 Notice #1 and #2 AC Voltage High/ Low 9 Notice #3 AC Frequency Changing Too Fast 11 Notice #4, #5 AC Frequency High/ Low 11 Error #1 DC Voltage High 12 Error #2 DC Current High 12 Error #3 AC Current High 13 Error #4 Inverter Failure 13 Error #5 Tempera ...
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LG Electronics LGxxxA1C-B3 - page 6
6 1 Safety Note and comply with the safety guidelines of this manual while handling AC modules. Failure to comply may result in severe damage to the equipment and/or fatal injuries. Safety symbols are used to minimize loss and injury during handling and operation of the equipment specified in this manual. 1-1 Safety Symbols WARNING • To prevent t ...
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LG Electronics LGxxxA1C-B3 - page 7
7 WARNING • EnerBox warranty void if cover removed. No serviceable parts inside. Refer servicing to qualified personnel. • To avoid communication interference, do not connect the product to power strips, surge protectors, or surge protector-embedded power strips. It is recommended to directly connect the gateway to a120VAC outlet. • Only cert ...
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LG Electronics LGxxxA1C-B3 - page 8
8 Ex) App Messages Scr een Ex) W eb Array View Scr een 1 Date 2 AC module ID 3 Message type 1 2 3 The app shows real time status of the AC modules under AC Module Status and System Status, as well as Array View and Events through the monitoring web server. Please refer AC module System Installation Instruction and AC Module Web Server Manual for fu ...
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LG Electronics LGxxxA1C-B3 - page 9
9 1 Current Issues : Provides the current conditions of the system. 2 Event History : Provides the event records for aspecified period. 3 Click the device in the query results to check the “Issue Details”. A pop-up window will appear. Issue Details : Shows the following information: Affected devices, alert type, alert duration and detailed desc ...
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LG Electronics LGxxxA1C-B3 - page 10
10 • Check the wirings to see if the connection is ok. The conductors in the cables may have been damaged or cut. • Check if the connector connection is ok. The connector may be broken or connected improperly. • Check that there is not discrepancy between the real grid voltage and the voltage setting in the installation app. • Check that th ...
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LG Electronics LGxxxA1C-B3 - page 11
11 Notice #3 AC Frequency Changing T oo Fast • Occurs if system voltage is lower or higher than the operational threshold. It is usually caused by a problem with the energy company. It may be a temporary problem, and is automatically corrected by the energy company. If the problem persists, check the following: Ex) F requency Changing T oo Fast S ...
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LG Electronics LGxxxA1C-B3 - page 12
12 Error #1 DC V oltage High Error #2 DC Current High • Occurs if the AC module DC input voltage is higher than 50V. • Occurs if the AC module input current is higher than the limit. DC Voltage Operation Range 20 to 45 VDC Max. Input Operating DC current 12 ADC • Check for possible damages in the module and microinverter. • If problem persi ...
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LG Electronics LGxxxA1C-B3 - page 13
13 Error #3 AC Current High • Occurs if the AC module output current exceeds the operational threshold. Ex) AC Curr ent High Screen Nominal Voltage 240 Volt AC Nominal Voltage 208 Volt AC Max. Output AC current 1.27A AC Max. Output AC current 1.44A AC Error #4 Inverter Failur e • Occurs if AC module malfunctions.. Ex) Inv er ter Failur e Screen ...
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LG Electronics LGxxxA1C-B3 - page 14
14 Error #5 T emperatur e Protection • Occurs if the internal temperature of the inverter is outside of the operation range; operation will automatically be stopped. Ex) T emperatur e Prot ection Screen • Check that the operational ambient temperature is within the operational range. If the ambient temperature is above 65°C (145°F), the inter ...
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LG Electronics LGxxxA1C-B3 - page 15
15 3 Gateway and Communication Issues • Power strips or surge protectors in the same circuit. • UPS (Uninterruptible Power Supply) or Battery backup units in the same circuit. • Lamp dimming switches. • Power line communication-based home networks or home automation devices. • Sensor lamps • Battery Chargers (Cell phone and laptop charg ...
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LG Electronics LGxxxA1C-B3 - page 16
16 • Power strips, surge protectors and outlet adapters can interfere with power line communication. Be sure to plug the gateway directly to a power outlet. • A lamp or light switch can contribute unwanted noise to the communication. Be sure to dedicate a power outlet for the sole use of the gateway. • Existing home appliances and other elect ...
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LG Electronics LGxxxA1C-B3 - page 17
17 • If there is still a problem with the connection between the gateway and the AC module, it is necessary to check the factors causing interference. • First, connect the gateway directly to the AC module. This will eliminate any potential interference caused by other devices; normal communication should be achieved and the AC modules should b ...
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LG Electronics LGxxxA1C-B3 - page 18
18 If the gateway cannot detect the installed AC modules, it is recommended to move the gateway near the distribution panel for more reliable communication. To do so, the gateway needs to be connected to a remote router via PLC Bridge as illustrated below. 3-1-7 Connecting the Gateway to a Remote Router If connection problems occur on the gateway, ...
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LG Electronics LGxxxA1C-B3 - page 19
19 If you hit the Registration button before listing all AC modules, or you need to add the unlisted AC module, follow steps below. 1 Enter LGElectronics (initial password) on the blank box in figure and press EnerBoxGroupchage button toreturn the gateway to the initial condition. Check PLC LED. It should turn red. 2 Press the Back button. Wait for ...
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LG Electronics LGxxxA1C-B3 - page 20
20 3-1-1 1 Registering a Replacement AC Module to the Gateway If you need toexchange an AC module, follow the steps below. 1 Enter LGElectronics (initial password) on the blank box in the figure and press the EnerBox Group chage button to return the gateway to the initial condition. Check that the PLC LED has turned red. 2 Press Back button. Wait f ...
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LG Electronics LGxxxA1C-B3 - page 21
21 4 Gateway and Communication Issues 4-1 Network Configuration Troubleshooting Web Server Communication Errors • Check the LAN cable connection to the wired LAN port. If necessary, reconnect. • Check the hub or router settings. • Check the smart phone app settings. • Check that the server IP and domain are listed correctly on the app. • ...
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LG Electronics LGxxxA1C-B3 - page 22
22 Memo ...
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LG Electronics LGxxxA1C-B3 - page 23
23 Memo ...
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LG Electronics LGxxxA1C-B3 - page 24
This document is subject to change without notice. LG, LG logo and Life's Good are trademarks of LG Electronics, Inc. worldwide. Trademarks and intellectual properties of LG Electronics, Inc. are protected by international copyright laws. ...
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