System Maintenance 19-5 
19.1.2  Checking the Probe 
  Visually check to confirm that there is no crack and expansion to probe head.   
  Visually check to confirm that there is no deterioration or desquamation to probe 
cable.   
  Visually check to confirm that there is no bend, destroyed or falling off pins to the 
connector. 
19.1.3  Checking the Power Cable and Plug 
  Visually check to confirm that there is no wrinkles, crack or deterioration; No crack 
and expansion to the surface of adapter.   
  Manually check to confirm that there is no looseness or rupture. The connection of 
plug is reliable. 
19.1.4  Checking Appearance 
Check if there is any crack in the covers: 
  Ultrasound system covers 
  Probe appearance 
  External appearance of ECG lead 
19.1.5  Backup of the System Hard Drive 
To prevent deterioration or loss of data stored in the system hard drive, create a backup 
copy of the hard drive data (including patient info data, preset data and etc.) at regular 
intervals. 
19.2  Troubleshooting 
If any persistent system malfunction is experienced, e.g. an onscreen error message, 
blank imaging screen, absent menus, please refer to the following table below. If the 
failure cannot be eliminated, please contact Mindray Customer Service Department or 
sales representative.