P- 3.0.1 Remains On For At Least 30 Seconds; P- 3.0.2 Machine Remains On - Fresenius Medical Care 2008K2 Troubleshooting Manual

P- 3.0.1 REMAINS ON FOR AT LEAST 30 SECONDS

With the machine on, QUICKLY unplug the sixteen (16) pin, Switch Matrix Cable from the Front Panel
Interface board. TWO (2) possible scenarios:
IF the machine stays on after unplugging the cable:
1)
Disinfect and with the shunt door open allow up to one (1) hour. If the machine STAYS on see
procedure number P- 3.0.2
OTHER POSSIBILITIES: Swap in the following components (see Component List below) one at a
time, with known good, and in between if the machine remains on the last component swapped in
is the problem.
Component List:
1) Power Logic Board; 2) Power Logic Board cable; 3) Main Relay (K1)*. *To LOCATE K1 refer to
Figure 132
IF the machine turns off before unplugging the cable:
2)
panel (Power button). Replace the front panel HOWEVER, if the problem reoccurs see OTHER
POSSIBILITIES below:
OTHER POSSIBILITIES: Swap in the following components (see Component List below) one at a
time, with known good, and in between, if the machine remains on the last component swapped in
was the problem:
Component List:
1) Power Logic Board; 2) Power Logic Board cable; 3) Main Relay (K1)*. *To LOCATE K1 refer to
Figure 132 (page 651).

P- 3.0.2 MACHINE REMAINS ON

The most likely culprit is the front panel (Power button) HOWEVER, this can be confirmed by, while leaving
the machine on unplug the sixteen (16) pin, Switch Matrix Cable from the Front Panel Interface board
Allowing up to one (1) hour, if the machine turns itself off again the front panel is bad!
(page 648). If it turns itself off again see OTHER POSSIBILITIES below.
(page 651).
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
Place the machine into Heat
The most likely cause is the front
Page 648