P- 1.0.2 Pin 3 Between 4.0 And 6.0 Volts/Isolate Power On/Off Circuit - Fresenius Medical Care 2008K2 Troubleshooting Manual

Yes Between 4.0 and 6.0 volts! See procedure number
No IS NOT between 4.0 and 6.0 volts! The Power Logic Board is bad (card cage, first circuit board
from the left).
P- 1.0.2 PIN 3 BETWEEN 4.0 AND 6.0 VOLTS / ISOLATE POWER ON/OFF CIRCUIT
a) Spread the card cage side panels open then gently drop the front panel down.
Per the Figure below
b)
CHECK #1: ENSURE the twenty-four (24) pin Front Panel Data Cable is plugged in properly between
the motherboard and the Front Panel Interface board. If not this may be the problem!
CHECK #2: ENSURE the sixteen (16) pin, Switch Matrix Cable is plugged in securely, pin for pin, at
the Front Panel Interface board. If not this may be the problem!
c) Measure at the 16 pin Switch Matrix Cable's, from
Between 4.0 and 6.0 volts DC?
Yes Between 4.0 and 6.0 volts! Proceed to
No IS NOT between 4.0 and 6.0 volts! See procedure number
, TWO (2) checks:
Figure 121 – Front Panel
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
P- 1.0.2 (page 629).
pin 4
th
(4 pin from the REAR of the machine).
page 631
, procedure number
P- 1.0.3
P- 1.0.4.
(page 630).
Page 629