1. 서론
This manual provides detailed instructions for the safe and effective operation of your FOXWELL NT630 Plus diagnostic tool and FOXWELL BC521 12V 5A battery charger, tester, trickle charger, and desulfator. Please read this manual thoroughly before use and retain it for future reference.
The FOXWELL BC521 is a versatile 4-in-1 device designed for 12V lead-acid batteries (AGM, GEL, EFB, Flooded). It charges, tests, desulfates, and maintains batteries. The FOXWELL NT630 Plus is a professional diagnostic scanner for ABS and SRS systems, capable of reading and clearing codes, displaying live data, and performing specific tests.
2. 안전 정보
Always observe the following safety precautions to prevent injury or damage to the devices or vehicle:
- 배터리로 작업할 때는 보안경과 보호복을 착용하십시오.
- Ensure adequate ventilation when charging batteries to prevent gas accumulation.
- 배터리 근처에서 흡연을 하거나 불꽃이나 화염을 두지 마십시오.
- Avoid touching battery terminals or cables with bare hands.
- Keep the devices away from water, oil, and extreme temperatures.
- 기기를 분해하거나 개조하려고 시도하지 마십시오.
- Refer to your vehicle's service manual for specific safety procedures related to your vehicle.
3. 패키지 내용
패키지에 모든 품목이 들어 있는지 확인하세요.
- FOXWELL NT630 Plus Diagnostic Tool
- FOXWELL BC521 Battery Charger/Tester
- OBD-II Connection Cable (for NT630 Plus)
- 배터리 Clamps (Red and Black, for BC521)
- Power Cord (for BC521)
- 사용 설명서 (본 문서)
4. 제품 오버view
4.1 FOXWELL BC521 Battery Charger/Tester
The BC521 combines multiple functions for 12V lead-acid batteries. It features an intuitive display and control buttons for selecting modes and view배터리 상태를 확인하세요.

Image: FOXWELL BC521 Battery Charger and Tester with its main menu displayed and battery clamps. This device offers multiple functions including quick charging, standard charging, maintainer mode, battery test, cranking test, and alternator test.
4.2 FOXWELL NT630 Plus Diagnostic Tool
The NT630 Plus is designed for advanced vehicle diagnostics, specifically for Anti-lock Braking System (ABS) and Supplemental Restraint System (SRS) issues. It connects to your vehicle's OBD-II port.

Image: FOXWELL NT630 Plus Diagnostic Tool with its screen displaying diagnostic options, connected to a vehicle's OBD-II port. The device is used for reading and clearing codes, live data, and bidirectional tests.
5. 설정
5.1 Setting up the FOXWELL BC521 Battery Charger/Tester
- 배터리에 연결: Ensure the vehicle ignition is off. Connect the red positive (+) clamp 배터리 양극 단자와 검은색 음극(-) 단자에 연결amp 배터리 음극 단자에 연결하세요.
- 전원에 연결: Plug the BC521's power cord into a standard AC outlet (100-240V).
- 장치 초기화: The BC521 will power on and perform a self-check. The display will show the current battery status.
5.2 Setting up the FOXWELL NT630 Plus Diagnostic Tool
- OBD-II 포트를 찾으십시오: OBD-II 포트는 일반적으로 운전석 쪽 대시보드 아래에 있습니다.
- 케이블 연결: Plug the NT630 Plus's OBD-II cable into the vehicle's OBD-II port.
- 전원 켜기: The NT630 Plus will power on automatically once connected to the vehicle.
6. 사용 설명서
6.1 Operating the FOXWELL BC521 Battery Charger/Tester
The BC521 offers charging, testing, and maintenance functions. Use the navigation buttons on the device to select desired options.
6.1.1 충전 모드
Select the appropriate charging current (1A, 3A, or 5A) based on your battery's capacity and charging requirements. The 8-stage smart charging process optimizes battery performance and longevity.

이미지: 8-s를 설명하는 다이어그램tage smart charging process of the FOXWELL BC521, including Desulfation, Soft Start, Bulk, Absorption, Analyse, Repair Mode, Float, and Pulse stages, showing voltage 및 전류 곡선.
- 탈황: Revives weak batteries by breaking down lead sulfate crystals.
- 소프트 스타트 : Gradually begins charging to protect the battery.
- 대부분: Charges the battery at maximum current until approximately 80% capacity.
- 흡수: Charges at a decreasing current to bring the battery to 100%.
- 분석: Tests the battery's ability to hold a charge.
- 수리 모드: Applies a pulsed current (0.8A) to restore battery health and extend lifespan.
- 뜨다: Maintains the battery at full charge with a constant voltage.
- 맥박: 모니터 배터리 용량tage and provides a pulse charge when needed to maintain optimal charge.

Image: Comparison display of battery health before and after using the FOXWELL BC521, showing improvements in health percentage, charge, internal resistance, and CCA values.
6.1.2 배터리 테스트
The BC521 provides accurate real-time diagnostics for 12V batteries.
- 배터리 테스트: 체크 볼륨tage, State of Health (SOH), and internal resistance.
- 크랭킹 테스트: 배터리가 엔진을 시동할 수 있는 능력을 평가합니다.
- 교류 발전기 테스트: Assesses the vehicle's charging system performance.

Image: Screenshots from the FOXWELL BC521 showing results for Battery Test (Health, Charge, Internal Resistance, Rated CCA), Cranking Test (Time, Voltage), and Alternator Test (Loaded, Unloaded voltag이자형).
6.2 Operating the FOXWELL NT630 Plus Diagnostic Tool
Once connected to the vehicle's OBD-II port, the NT630 Plus will display the main menu. Use the directional buttons and 'OK' button to navigate.
6.2.1 기본 진단 기능
- 코드 읽기: 차량의 제어 모듈에서 진단 문제 코드(DTC)를 검색합니다.
- 명확한 코드: Erases DTCs from the vehicle's memory. Ensure the underlying issue is resolved before clearing codes.
- 라이브 데이터 : Displays real-time sensor data from the vehicle, useful for diagnosing intermittent issues.
- Bidirectional Test (for ABS): Allows the tool to send commands to vehicle components to test their functionality (e.g., cycling ABS solenoids).
- S-M-O-G Test: Performs various tests related to emissions monitoring systems.
6.2.2 ABS & SRS Diagnostics
The NT630 Plus specializes in diagnosing issues within the Anti-lock Braking System (ABS) and Supplemental Restraint System (SRS, airbags).

Image: FOXWELL NT630 Plus screen showing a list of common ABS and SRS diagnostic capabilities, including checking wheel speed sensor issues, ABS control module faults, wiring/connection faults, brake fluid levels, sensor malfunction locations, and damaged clock spring checks.
- Wheel Speed Sensor Issues: Identifies faults with individual wheel speed sensors.
- ABS Control Module Fault: Diagnoses problems within the ABS control unit.
- Wiring or Connection Faults: Helps pinpoint electrical issues in the ABS/SRS circuits.
- Low or Contaminated Brake Fluid: Can indicate issues related to brake system health.
- Sensor Malfunction Location: Provides specific location of faulty sensors.
- Damaged Clock Spring Check: Verifies the integrity of the clock spring, crucial for airbag functionality.

Image: FOXWELL NT630 Plus screen displaying real-time graphical data for engine revolutions per minute (RPM) and front right wheel speed, indicating its capability to quickly detect and monitor wheel sensors.
7. 유지관리
- 청소: 부드럽고 마른 천으로 기기를 닦으십시오. 연마성 세척제나 용제를 사용하지 마십시오.
- 저장: Store the devices in a dry, cool place, away from direct sunlight and extreme temperatures.
- 케이블 관리: 케이블 손상 여부를 정기적으로 점검하십시오. 케이블을 과도하게 구부리거나 꺾지 마십시오.
- 소프트웨어 업데이트: Check the FOXWELL official website periodically for software updates for the NT630 Plus to ensure optimal performance and compatibility with new vehicle models.
8. 문제 해결
8.1 FOXWELL BC521 Troubleshooting
- 장치가 켜지지 않음: Ensure the power cord is securely plugged into an AC outlet and the battery clamps는 배터리 단자에 올바르게 연결되어 있습니다.
- 충전이 시작되지 않음: Verify battery clamps are making good contact. The battery might be severely discharged; try a lower amperage setting or the repair mode.
- 표시되는 오류 메시지: Refer to the device's screen for specific error codes or messages. Common errors include reverse polarity connection (ensure red to positive, black to negative) or a faulty battery.

Image: FOXWELL BC521 displaying icons for various protection features including Over Voltage Protection, Over Current Protection, Over Heat Protection, Reverse Connection Protection, Anti-Overcharge, and Anti-Overdischarge, which help prevent common issues.
8.2 FOXWELL NT630 Plus Troubleshooting
- 장치가 켜지지 않음: Ensure the OBD-II cable is securely connected to the vehicle's OBD-II port. The vehicle's ignition should be in the ON position (engine off).
- 통신 오류: Check the OBD-II cable for damage. Ensure the vehicle's battery has sufficient charge. Try connecting to a different vehicle to rule out a vehicle-specific issue.
- No codes found: If the check engine light is not on, there may be no active codes. Some issues might be pending codes or historical codes that require specific menu navigation to view.
9. 사양
| 특징 | 사양 |
|---|---|
| 제품 이름 | FOXWELL NT630 Plus + FOXWELL BC521 |
| BC521 Input Voltage | 100-240V 교류, 50/60Hz |
| BC521 Output Voltage | 12V 직류 |
| BC521 Charging Current | Selectable 1A / 3A / 5A |
| BC521 Battery Types | 12V Lead-Acid (AGM, GEL, EFB, Flooded) |
| BC521 Charging Stages | 8-에스tage 스마트 충전 |
| NT630 Plus Vehicle Connection | Standard 16-pin OBD-II port |
| NT630 Plus Diagnostic Focus | ABS, SRS (Airbag) Systems |
| 작동 온도 | 0°C ~ 60°C(32°F ~ 140°F) |
| 보관 온도 | -20°C ~ 70°C (-4°F ~ 158°F) |
10. 보증
FOXWELL products are covered by a limited warranty against defects in materials and workmanship. The warranty period typically begins from the date of purchase. Please retain your proof of purchase for warranty claims. For specific warranty terms and conditions, refer to the warranty card included with your product or visit the official FOXWELL web대지.
11. 지원
For technical assistance, product inquiries, or service, please contact FOXWELL customer support. You can typically find contact information on the official FOXWELL web해당 사이트를 통해서나 제품을 구매한 소매업체를 통해서도 구매가 가능합니다.
Web대지: www.foxwelltech.com (전ample, please verify official web대지)
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