3.
2.
1.
Please fill all available information in below table. Some information like the Serial Number of the BMU is mandatory to receive service.
1.1 Configuration
1.2 Correct external cabling
1.3 Latest Firmware
1.4 App Configuration
1.5 Restart
1.6 Switch on procedure
1.7 Correct Operation
SERVICE INFORMATION
GENERAL STEPS
Please carefully check
all
7 „General Steps“ from page 3 and 4 of the Service Guideline and confirm this in the boxes below
Company
Contact Person
Street / Nr.
ZIP / City
Phone
•
Service Ticket Number or System ID:
•
Installer / Delivery Address / Contact:
•
System Information
Battery Configuration (
X
LV FLex Lite)
BMU Serial Number
BMU Connected to Internet
Inverter Brand + Model
Inverter Serial Number
Commissioning Date
BMU Firmware
BMS Firmware
Inverter Firmware
Inverter Portal Name
(State the system name. Provide access)
•
Service Information
Yes
No
BMU EventCode (EC)
Inverter Error Code
Was the battery charging / discharging before (was the system working normally before?)
Get Data of the Battery-Box with the Be Connect Plus (BCP) Programm (see chapter 2.9)
Yes
No
Description of
the Problem
Please provide any additional information that is necessary or could help in the analysis of the service case (e.g. serial number of a
wrong module, video of a special behaviour; pictures; app screenshots; module voltages... )
By contacting us you confirm, that a qualified person has done the necessary control and collected all available information above.
Service Contact:
BMS EventCode(s) and related Module Serial Number(s)
ERROR RELATED ANALYSIS
Please mark the
error related
Analysis from Chapter 2 and 3 (page 4-17) of the Service Guideline that you checked, and collect
all the information related to those Sections
2.1 BMU shows no reaction / No LED
2.2 Some modules do not show any reaction / No LED on module
2.3 Problem with the Firmware Update / App Configuration
2.4 Incorrect output voltage / No BMS Data
2.5 Communication problem with Inverter
2.6 SOC& charging logic
2.7 Unexpected shutdown
2.8 BMU/BMS LED Event Code (EC)
2.9 Be Connect Plus (BCP)
2.10 Upload log data with BC APP
3.1 Voltage measurement on pin7&8
3.2 Identifying a faulty module / Module Exclusion Method
3.3 Undervoltage
BYD Battery-Box LV Flex Lite Service Checklist - V1.0 EN
Important: The installation and all other kinds of works or measurements in combination with the BYD Battery-Box are only
allowed by professional and qualified electricians. Improper handling can cause danger and damage. This document does
not replace the official BYD manuals and documents. No responsibility is accepted for the accuracy of the information.
.
BYD Company Limited
Battery-Box South Africa Service Partner
BYD LATAM Service
www.bydbatterybox.com
AFRIPLUS ENERGY GROUP (PTY) LTD
Global Sales: [email protected]
Global Service: [email protected]
