P- 2.0.2 System Initialization Does Not Reach 100%/Isolate +24 V-A - Fresenius Medical Care 2008K2 Troubleshooting Manual

P- 2.0.2 SYSTEM INITIALIZATION DOES BOT REACH 100% / ISOLATE +24 V-A
a) Spread the card cage side panels open then gently drop the front panel down to access the
motherbord's white two (2) pin, +24V-A connector (Figure below).
Figure 128 – Card Cage TEST Connector (24V-A)
Per the Figure above
b)
ENSURE GOOD contact with the metal pin inside the socket!
ENSURE the meter's black lead REMAINS attached to chassis ground!
c)
If not already, turn the machine is ON (fan running)!
d)
e) Between 23.0 and 28.0 volts DC AND STABLE i.e. does NOT change more than +/- 0.5 per minute?
Yes Between 23.0 and 28.0 volts and stable! See procedure number
No IS NOT between 23.0 and 28.0 volts OR unstable! Proceed to
P- 4.0.0.
, place the red meter lead into the right hand socket of the +24V-A connector.
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
P- 2.0.3 (page 641).
page 649
, procedure number
Page 640