Mechanical Functions Troubleshooting Mechanical Functions
4 - 28 V Series Operating Instructions
4.8 Mechanical Functions Troubleshooting
MESSAGE/PROBLEM REASON SOLUTION
Recorder strips are blank Paper was inserted incorrectly. Reinsert paper with shiny side of 
paper facing upwards. 
External V Hub is not 
functioning.
Cable from or to V Hub is kinked 
or not connected properly. 
Remove kink in cable and/or re-
seat cable. 
Cable is defective.  Try a different cable. 
Internal V Hub (for V 12 only) is 
not functioning.
Inspect internal V Hub connectors 
to ensure that they intact and are 
not damaged. 
If connectors are not intact, 
contact your System Administrator 
or Bio Medical engineer for 
assistance. 
Module may not be seated 
properly in bay.
Re-seat module to see if module 
indicator light illuminates. 
* Display messages are shown in bold text.