Pylontech PowerCube-M1-C

Questions and Answers:

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Elizabeth MillerAug 21, 2025
Why does my Pylontech PowerCube-M1-C Storage battery system not start up after power supply?
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  zsweeneyAug 22, 2025
  The Pylontech Storage battery system may fail to start due to several reasons: * **External power supply issue:** The system requires 100 – 240Vac, 50/60Hz. Power needed for device wake up: M1/M1C BMS – 150W, M2A180 – 225W, M3A100 – 360W, M3A180 BMS & air fan – 1500W, MBMS – 5W. Check that the external power supply meets these requirements. * **Power supply cable issue:** Use a multimeter to check the power supply cable connectivity. * **PMU failure:** Open the BMS case and use a multimeter to check the PMU 12Vdc output and CMU LEDs. If neither is on, swap the PMU.
J
Janet QuinnSep 4, 2025
What does 'BMU Internal bus error' mean for Pylontech PowerCube-M1-C, and how do I fix it?
- W
  wolfetylerSep 4, 2025
  A 'BMU Internal bus error' in your Pylontech Storage system indicates a BMU internal error. The solution is to change the BMU of the RED LED module.
A
Amy BrockSep 2, 2025
What causes 'Shutdown circuit error' in Pylontech Storage?
- A
  Ann GrahamSep 3, 2025
  A 'Shutdown circuit error' in Pylontech Storage indicates that the system cannot completely switch off during self-protection. To resolve this, change the PMU.
W
William GrossSep 1, 2025
What does 'Battery damage error' mean on my Pylontech PowerCube-M1-C Storage?
- M
  Miss Jessica PollardSep 1, 2025
  A 'Battery damage error' on your Pylontech Storage system means that a battery cell voltage has been measured at
M
Megan WrightAug 30, 2025
How do I resolve the 'BMS Internal bus error' on my Pylontech PowerCube-M1-C Storage?
- S
  Sarah MitchellAug 31, 2025
  A 'BMS Internal bus error' on your Pylontech Storage system can be due to a CMU internal error or I2C issue. Try restarting the system. If the problem remains, consider changing the current measurement board or the CMU/BMS.
C
Cynthia HerreraAug 29, 2025
How to troubleshoot 'Self-test volt error' on Pylontech PowerCube-M1-C Storage?
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  Melinda WalkerAug 29, 2025
  A 'Self-test volt error' in Pylontech Storage indicates a voltage measurement issue. First, restart the system. If the problem persists, check the connectivity and reliability of the power and communication cables by reconnecting them. You may also need to swap the current measurement board or BMS.
C
campbellmollyAug 27, 2025
What does 'Communication error between MBMS and BMS' mean for Pylontech PowerCube-M1-C?
- J
  Jesse LittleAug 28, 2025
  A 'Communication error between MBMS and BMS' in your Pylontech Storage system can be caused by: * One or more battery strings being over-discharged. Use a multimeter to check. * Problems with the communication cables between the BMS and MBMS. Ensure the cable is an 8PIN pin – pin CAT5 ethernet cable. If BMS and MBMS communicate via CANBUS (no ethernet switch), ensure the CANBUS physical length is less than 12m. Restart the system. Also, try reversing the sequence of the comm. cable between the BMSs and changing the ADD address settings before restarting. Another solution is to change the BMS CMU or BMS.
G
George RomeroAug 27, 2025
How to fix 'Internal Comm. ERR' on Pylontech PowerCube-M1-C?
- C
  Christopher BonillaAug 27, 2025
  An 'Internal Comm. ERR' on your Pylontech Storage indicates a communication problem between the module and BMS. To resolve this: * Check the connectivity and reliability of the communication cable between the BMS and battery modules. * Restart the system.
P
Pamela CampbellAug 25, 2025
What causes 'All BMS offline error' in Pylontech PowerCube-M1-C?
- C
  costarichardAug 25, 2025
  The 'All BMS offline error' in your Pylontech Storage system can occur due to: * The battery system being over-discharged. Use a multimeter to check. * A problem with the communication cables between the BMS and MBMS. Ensure you're using an 8-PIN pin – pin CAT5 ethernet cable. If communication is via CANBUS (no ethernet switch), ensure the CANBUS physical length is less than 15m. Restart the system. * An issue with the Ethernet switch. Check its condition. * MBMS CMU issue. Change the MBMS CMU. Also, completely restart the system, or try reversing the sequence of the comm. cable between the BMSs and changing the ADD address settings before restarting.
S
Sara RichardsAug 23, 2025
What to do if my Pylontech PowerCube-M1-C Storage battery system does not start up?
- C
  churchbrianAug 23, 2025
  If your Pylontech Storage battery system isn't starting up, consider the following: * **Power cable issue:** Check the wiring connection and connectivity of the power cables. * **Internal cable issue:** Open the BMS case and check the connectivity and reliability of the internal power supply cable. * **PMU issue:** Open the BMS case, use a multimeter to check the PMU 12Vdc output and CMU LEDs. If neither is on, please swap the PMU.

Pylontech PowerCube-M1-C Specifications

General

Brand	Pylontech
Model	PowerCube-M1-C
Category	Storage
Language	English

Summary

SAFETY

1.1 Symbol

Explains various warning and safety symbols used in the manual.

1.2 Reference standards

Lists relevant safety and technical standards for the system.

SYSTEM INTRODUCE

2.1 Product Overview

Overview of the PowerCube-M1-C as a new energy storage product.

2.2 Specifications

Detailed technical specifications of the PowerCube-M1-C system.

2.2.1 System Parameters

Lists key electrical and physical parameters of the system.

2.2.2 Battery Module Details

Specifications and details for the specific battery module model.

2.2.3 Control Module Specifications

Specifications for the SC1000 controller (external/internal supply).

2.3 System Diagrams

Illustrates system configurations and connections.

2.3.1 CAN Communication Diagram

Diagram for CAN communication with up to 6 battery strings.

2.3.2 Ethernet Communication Diagram

Diagram for Ethernet communication with up to 32 battery strings.

2.3.3 BMSModule Diagram (External Power)

Wiring diagram for external power supply configuration.

2.3.4 BMSModule Diagram (Internal Power)

Wiring diagram for internal power supply configuration.

INSTALLATION

3.1 Required Tools

Lists essential tools required for battery pack installation.

3.2 Safety Gear Recommendations

Recommends personal protective equipment for safe operation.

3.3 Environment Checks

Guidelines for checking environmental conditions before installation.

3.3.1 Cleaning Requirements

Importance of cleanliness for high voltage connector isolation.

3.3.2 Temperature Guidelines

Operating and optimum temperature ranges for the system.

3.3.3 Cooling System Requirement

Requirement for adequate cooling systems in the room.

3.3.4 Heating System Requirement

Requirement for heating systems in cold environments.

3.3.5 Fire-extinguisher System

Requirement for fire-extinguisher systems for lithium-ion batteries.

3.3.6 Grounding System

Requirements for ensuring stable and reliable grounding.

3.4 Package Contents

Information on accessories included in the package.

3.5 Handling and Placement

Procedures for safe handling and placement of system components.

3.5.1 Battery Module Handling

Instructions for handling heavy battery modules.

3.5.2 Rack Handling and Placement

Instructions for handling the battery rack.

3.5.3 Rack Fixation and Installation

Guidance on securing the rack to the basement and wall.

3.5.4 Module Installation in Rack

Steps for installing BMS and battery modules in the rack.

3.5.5 MBMS Rack Installation

Installation guide for the MBMS in a rack.

3.5.6 Ethernet Switch Rack Installation

Installation guide for the Ethernet Switch in a rack.

3.6 Cable Connections

Procedures and precautions for connecting system cables.

3.6.1 Cable Connection Cautions

Important warnings regarding cable connections and grounding.

3.6.2 Detailed Cable Connections

Detailed steps for connecting various system cables.

3.6.2.1 CAN Communication Setup

Configuration for CAN communication between MBMS and BMS.

3.6.2.2 Ethernet Communication Setup

Configuration for Ethernet communication between MBMS and BMS.

3.6.3 ADD Switch Address Assignment

Instructions for setting communication addresses using ADD switches.

3.6.3.1 Single BMS Address Config

Address configuration for a single BMS.

3.6.3.2 CAN MBMSBMS Address Config

Address configuration for CAN mode with MBMS and BMS.

3.6.3.3 Ethernet MBMSBMS Address Config

Address configuration for Ethernet mode with MBMS and BMS.

3.6.3.4 MBMS Communication Mode

Setting communication modes for multiple MBMS.

3.6.4 System Power On Procedure

Step-by-step guide for powering on the system.

3.6.5 System Power Off Procedure

Step-by-step guide for safely powering off the system.

SYSTEM DEBUG

Debugging Preparation

Initial steps and precautions before starting system debugging.

System Function Testing

Procedures for testing individual system components.

Monitor Function Test

Checking system data display on the monitor.

EMS Monitoring Test

Verifying EMS system uniformity and command functionality.

Trial Operation Test

Testing system performance under load after debugging.

MAINTENANCE

5.1 Troubleshooting Guide

Common issues and solutions for system failures.

5.2 Component Replacement

Procedures for replacing key system components.

5.2.1 Battery Module Replacement

Detailed steps for replacing a battery module.

5.2.2 Control Module (BMS) Replacement

Detailed steps for replacing the control module (BMS).

5.2.3 MBMS Replacement

Detailed steps for replacing the MBMS.

5.3 Battery Maintenance Practices

Regular maintenance tasks for battery health.

5.3.1 Voltage Inspection

Checking battery system voltage for abnormalities.

5.3.2 SOC Inspection

Checking State of Charge (SOC) for the battery string.

5.3.3 Cables Inspection

Visual inspection of system cables for damage or wear.

5.3.4 Battery Balancing

Procedure for balancing battery strings to ensure uniform charge.

5.3.5 Output Relay Inspection

Checking the functionality of output relays.

5.3.6 History Inspection

Analyzing historical data for alarms and protection events.

5.3.7 Shutdown and Maintenance

Procedures for shutting down and performing maintenance.

5.3.8 Battery Recycling

Guidelines for recycling damaged batteries.

Annex 1: Cable Connection Diagram (CAN 6 Set)

Annex 2: Cable Connection Diagram (Ethernet)

Annex 3: Installation & Turn ON Progress List

REMARKS

Storage Recommendations

Recommendations for long-term storage of battery cells.

Capacity Expansion Guide

Guidance on adding new battery modules to an existing system.

SHIPMENT

Annex 4: System Turn OFF Progress List

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