25-1 
25 Maintenance
 
 
WARNING
z  Failure on the part of the responsible individual hospital or institution employing 
the use of this equipment to implement a satisfactory maintenance schedule may 
cause undue equipment failure and possible health hazards. 
z  The safety checks or maintenance involving any disassembly of the equipment 
should be performed by professional servicing personnel. Otherwise, undue 
equipment failure and possible health hazards could result. 
z  No modification of this equipment is allowed. 
z  Do not open the equipment housings. All servicing and future upgrades must be 
carried out by the service personnel. 
z  If you discover a problem with any of the equipment, contact your service 
personnel or us. 
z  The service personnel must be properly qualified and thoroughly familiar with the 
operation of the equipment. 
 
25.1 Regular Inspection 
Before the first use, after your patient monitor has been used for 6 to 12 months, or whenever 
your patient monitor is repaired or upgraded, a thorough inspection should be performed by 
qualified service personnel to ensure the reliability. 
 
Follow these guidelines when inspecting the equipment:   
  Make sure that the environment and power supply meet the requirements. 
  Inspect the equipment and its accessories for mechanical damage. 
  Inspect all power cords for damage, and make sure that their insulation is in good 
condition. 
  Make sure that only specified accessories are applied. 
  Inspect if the alarm system functions correctly. 
  Make sure that the recorder functions correctly and the recorder paper meets the 
requirements. 
  Make sure that the batteries meet the performance requirements. 
  Make sure that the patient monitor is in good working condition. 
In case of any damage or abnormity, do not use the patient monitor. Contact the hospital’s 
biomedical engineers or your service personnel immediately.