Isolate Functional Board Usb Port - Fresenius Medical Care 2008T Troubleshooting Manual

P- H.1.5 ISOLATE FUNCTIONAL BOARD USB PORT
To avoid damage, turn the machine OFF!
a)
b) Return the Function board device cables to EXACTLY as recorded above!
c) Figure below, unplug the
d) Repeat the Voltage Detection Calibration. THREE (3) possible scenarios 1) or 2) or 3):
1) IF "Operator Error" reoccurs: See procedure number
2) IF 5V EST AND/OR 12V EST are not in range: See procedure number
3) IF "Operator Error" did NOT occur AND 5V EST AND 12V EST are in range: The USB port, on
the side of the screen may be bad. To confirm this, plug it back in and do the Voltage Detection
Calibration again.
Functional board's P41
LEFT BLANK INTENTIONALLY
2008T Troubleshooting Guide
P/N 490292 Rev. A
cable (to USB Port 1).
P- H.1.6 (page 679).
P- H.1.6 (page 679).
Page 678