P- F.1.0 Troubleshoot Screen Problem - Fresenius Medical Care 2008K2 Troubleshooting Manual

P- F.1.0 TROUBLESHOOT SCREEN PROBLEM

a) Turn the machine OFF!
b) Per the Figure below, ENSURE the aluminum-looking Data Display Cable (P/N 190194), between the
functional board and the screen, is plugged in CORRECTLY at BOTH sides.
c) Turn the machine on and allow fifty (50) seconds. If the screen continues to display 'weird' or
NOTHING continue to part d.
d) Turn the machine OFF!
e) Swap in a known good Data Display Cable (P/N 190194).
f) Turn the machine on and allow fifty (50) seconds.
g) If the screen continues to display 'weird' or NOTHING continue to part h.
h) Turn the machine OFF!
i) Swap in a known good Functional Board.
j) Turn the machine on and allow fifty (50) seconds. NOTE: A "Cond Offset" banner may appear due to the
different Functional board. Ignore it for now. If the screen continues to display 'weird' or NOTHING the
screen may be bad.
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
Page 602