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Wintersun WTS CORE Series Service Manual

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WTS CORE Series Battery Service Manual
V1.2
WTS Power-CORE 1.0 5.36/ 8.04/ 10.72/ 13.40
WTS Energy-CORE 1.0 9.6/ 12.8/ 16.0/ 19.2/ 22.4/ 25.6
Make sure to always use the latest version of this service document,
available at:
https://wintersun.de/downloads/

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Summary of Contents for Wintersun WTS CORE Series

  • Page 1 WTS CORE Series Battery Service Manual V1.2 WTS Power-CORE 1.0 5.36/ 8.04/ 10.72/ 13.40 WTS Energy-CORE 1.0 9.6/ 12.8/ 16.0/ 19.2/ 22.4/ 25.6 Make sure to always use the latest version of this service document, available at: https://wintersun.de/downloads/...

  • Page 3: Table Of Contents

    Content 1. Overview ................................3 1.1 Claim and Contact ..............................3 1.2 General Steps ................................4 2. Error Analysis ................................ 4 2.1 Event Code ..................................4 2.2 No Event Codes ................................5 3. Frequently Asked Questions ........................... 6 3.1 WiFi Issues ..................................6 ..............................

  • Page 4: Overview

    If the appearance of the battery is damaged, please take photos of the battery and the packaging on site and provide them to our services team. The contact information for our services team is as follows: TEL: +49 711 25513677 EMAIL: service@wintersun.de...

  • Page 5: General Steps

    Service Manual V1.2 1.2 General Steps If you find any problem with the battery, follow these steps for an initial check. Inspection items Inspection steps Type of stacks Do not mix up WTS Power-Core 1.0 and WTS Energy-Core 1.0. 1 ） Please refer to 1.3.1 to check if the wrong port is plugged in External connections 2 ）...

  • Page 6: No Event Codes

    Service Manual V1.2 2.2 No Event Codes 2.2.1 System cannot be turned on 1) BMS shows no response. If you turn on the BMS switch, but WiFi is not detected and the display does not light up, please try to restart the system in correct sequence (refer to Step 3 in 1.2).

  • Page 7: Frequently Asked Questions

    Service Manual V1.2 3. Frequently Asked Questions 3.1 WiFi Issues Common WiFi failures include: no WiFi signal / unstable WiFi / unable to connect to WiFi When these failures occur, follow the steps below: Check status of the WiFi on the LCD screen WiFi usually turns off automatically within 5 hours after the battery turns on.

  • Page 8: Firmware Update Issue

    Service Manual V1.2 3.2 Firmware Update Issue 1) Fix WiFi If it is caused by unstable WiFi, please refer to 3.1. 2) Restart Restart the system in correct sequence. 3) Try again with other mobile devices. Sometimes the problem comes from the mobile device itself, try to see if other devices can update. 4) Replace BMS If none of the above steps work, please try another BMS if available.

  • Page 9: Tools And Methods

    Service Manual V1.2 4. Tools and Methods 4.1 CORE Link+ With the CORE Link+ you can: 1) read the battery information; 2) update firmware; 3) export / download battery logs. The CORE Link+ is constantly being improved and updated. Make sure to use the latest program version. For the service analysis, please download and provide the data / logs as described in the program instructions .
  • Page 10 Service Manual V1.2 ..2) If not okay: The faulty stack is probably one of the stacks in the tower. Take one of the spare stacks and exchange with each of the remaining stacks with the spare stack one at a time. Check the battery status after each step.

  • Page 11: Voltage Measurement/Undervoltage

    Service Manual V1.2 4.3 Voltage measurement/Undervoltage 4.3.1 Voltage measurement ATTENTION: High voltage!（If the measurement position is on the same side of the battery, you need to add the base）. You can see the max. and min. cell voltage in the CORE Link/CORE Link+. You can also get the detailed stack and cell voltage in the CORE Link + Program or measure it manually according to the below description: Measurement of Tower Voltage Take down the BMS and measure the tower voltage on the top stack as shown below.
  • Page 12 Service Manual V1.2 4.3.2.Undervoltage A stack in which one of the cells has a voltage of <1.5 V is in undervoltage (check with CORE Link+ / CORE Link if possible). Stacks WTS Power-CORE 1.0 with >86.4 V and WTS Energy-CORE 1.0 with >54 V should be fine and you can continue to check other points according to this service manual.

  • Page 13: Replacement Guidance

    Service Manual V1.2 5. Replacement Guidance Please go through the general steps beforehand, see chapter 1.3. 5.1 BMS Replacement 1. Switch off the inverter, then switch off the battery. 2. Disconnect all cables from the BMS. 3. Replace the BMS, please do not forget to update the firmware with the CORE Link or CORE Link+. 5.2 Stack Replacement 1.The 30% SOC rule must be followed.

  • Page 14: Appendix 1 Event Code

    Manuale di servizio V 1.2 Appendix 1 Event CODE Event Code (EC) Description Operation 1001/2001 The total voltage is too high. BTVH 1002/2002 The total voltage is too low. BTVL Normally,this event is together with other 1003/2003 event codes, and please refer to the The voltage of cell is too high.
  • Page 15 Manuale di servizio V1.2 Event Code (EC) Description Operation 1.Check whether the setting of the system is correct. (if correct, go to the next step; if not, adjust the settings) 2.Check that whether there is a high-power load starts when this fault occurs. If yes, check whether the load power is within the power range of the inverter: 1010/2010...
  • Page 16 Manuale di servizio V 1.2 Event Code (EC) Description Operation 1105/2105 Total voltage sensor Restart, if the problem remains, try another BMS if BVSF failed available. Restart, if the problem remains, try another BMS if available. 1106/2106 (If it's possible, observe the current value on the CORE Current sensor failed.
  • Page 17 Manuale di servizio V1.2 Event Code (EC) Description Operation 1# means that the fault occurred in stack #1, and here it only takes as an example. It could also be other numbers. 1. Check whether the type of Stack No.1 is 1302/2302 The module type is abnormal correct or not.
  • Page 18 Manuale di servizio V 1.2 Event Code (EC) Description Operation 1.Check the Setting: Terminal Res The status of Terminal Res on the master tower should be ON. (except Kostal Piko MP Plus) Default Set, check whether the status is set according to the manual.
  • Page 19 Manuale di servizio V1.2 Event Code (EC) Description Operation 1# means that the fault occurred in stack #1, and here it only takes as an example. It could also be other numbers. 1308/2308 Single BIC failed BIC_com_F_S_#1 Replace the corresponding stack or the stack above this stack (refer to 4.2) and restart.

  • Page 20: Appendix 2 Ports On The Bms

    Manuale di servizio V 1.2 Appendix 2 Ports on the BMS A. In port for the parallel connection with other tower(s). B. Out port for the parallel connection with other tower(s). C. Network port for connecting a router or network switch . D.

  • Page 21: Appendix 3 Display On Bms

    Manuale di servizio V1.2 Appendix 3 Display on BMS In the "Setting Area", you can check if the settings are correct. In the bottom right corner of the screen, you can check the firmware version. When the communication is normal, the communication cable arrow moves from the middle to both sides. When the communication is interrupted, the communication cable turns orange, there is a disconnection mark, and the text shows "Comm fails".

This manual is also suitable for:

Wts power-core 1.0Wts energy-core 1.0

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