Continuous rebooting is a common clinical failure of GE DASH3000 patient monitor

March 31, 2026

آخر أخبار الشركة Continuous rebooting is a common clinical failure of GE DASH3000 patient monitor

GE DASH3000 监护仪不断重启故障分析及维修建议

一、故障概述（Fault Overview）

中文

 
GE DASH3000 监护仪反复重启是临床常见故障，表现为开机自检、加载 GE Logo 后自动断电重启，循环往复；或待机 / 运行数秒～数分钟后无规律重启，严重影响患者监测。核心诱因集中在电源供电异常、DAS 参数板故障、主板 / 软件异常、外设 / 电池短路、按键短路五大类。
 

English

 
Continuous rebooting is a common clinical failure of GE DASH3000 patient monitor, characterized by automatic power-off and restart after power-on self-test (POST) and GE Logo loading, in a loop; or irregular rebooting after standby/running for several seconds to minutes, severely affecting patient monitoring. The core causes focus on five categories: abnormal power supply, DAS module failure, mainboard/software abnormality, peripheral/battery short circuit, and key short circuit.
 
 

二、故障原因深度分析（Detailed Fault Analysis）

 

（一）电源系统异常（Power System Abnormality）

 

中文

 
  1. 电源适配器故障：非原装适配器、电压不稳（12V±5% 异常）、输出纹波过大、接口虚接，导致供电不足触发重启保护。
  2. 内部电源板 / DAS 板供电故障：DAS 板二次电源不起振、两路核心供电（一路供 SPO2 / 有创血压 / CO2/ADC/MCU，一路供心电放大）电压偏低 / 短路，是 DASH3000 重启最高发硬件原因。
  3. 电池故障 / 短路：电池老化（鼓包、使用超 2 年）、电芯短路、电池仓接触不良，电池与适配器供电切换异常触发重启。
  4. 电源接口 / 排线虚接：主板、DAS 板、电源板间排线松动、氧化，供电信号传输中断。
 

English

 
  1. Power Adapter Failure: Non-original adapter, unstable voltage (abnormal 12V±5%), excessive output ripple, or loose interface, causing insufficient power supply and triggering restart protection.
  2. Internal Power Board/DAS Module Power Supply Failure: The secondary power supply of DAS module fails to oscillate, and two core power supplies (one for SPO2/IBP/CO2/ADC/MCU, the other for ECG amplification) have low voltage/short circuit, which is the most common hardware cause of DASH3000 reboot.
  3. Battery Failure/Short Circuit: Battery aging (bulging, used for more than 2 years), cell short circuit, poor contact in battery compartment, and abnormal power switching between battery and adapter trigger reboot.
  4. Loose Power Interface/Cable: Loose or oxidized cables between mainboard, DAS module and power board, interrupting power signal transmission.
 

（二）DAS 参数板故障（DAS Module Failure）

 

中文

 
DAS（Data Acquisition System）板是数据采集核心，80% 以上重启故障源于此板：
 
  1. MCU 芯片异常：心电 / 血氧血压分区 MCU 损坏、程序跑飞，系统自检失败重启。
  2. FLASH 程序错误：固件损坏、数据丢失，系统无法加载程序循环重启。
  3. 元器件损坏：电源芯片、光耦、滤波电容、线绕电阻烧毁 / 漏电，CO2 子板故障（电阻烧焦、电源模块过热）。
  4. 数字隔离芯片故障：隔离芯片损坏导致信号紊乱，触发系统保护重启。
 

English

 
DAS (Data Acquisition System) module is the core of data collection, more than 80% of reboot failures originate from this module:
 
  1. MCU Chip Abnormality: Damaged MCU in ECG/SPO2-IBP subarea, program runaway, system self-test failure and restart.
  2. FLASH Program Error: Firmware damage, data loss, system fails to load program and reboots cyclically.
  3. Component Damage: Burnt/leaky power chips, optocouplers, filter capacitors, wire-wound resistors, and CO2 sub-board failure (burnt resistors, overheated power modules).
  4. Digital Isolation Chip Failure: Damaged isolation chip causes signal disorder, triggering system protection and restart.
 

（三）主板 / 软件 / 系统异常（Mainboard/Software/System Abnormality）

 

中文

 
  1. 主板硬件故障：CPU、南桥、时钟芯片损坏，SRAM 静态内存测试失败，实时时钟（RTC）故障，系统无法正常启动。
  2. 系统数据溢出：存储器存满患者数据、无自动清除功能，系统资源耗尽触发重启。
  3. 固件 / 引导程序损坏：Boot Code 无效、主程序校验失败，提示 "Flash test FAILED" 等错误后重启。
  4. 时钟电池没电：RTC 电池耗尽，时间重置，系统启动异常。