T- 1.0.0 In Dialysis Program/Troubleshooting Temperature; T- 1.0.1 Isolate Flow Error - Fresenius Medical Care 2008K2 Troubleshooting Manual

T- 1.0.0 IN DIALYSIS PROGRAM / TROUBLESHOOTING TEMPERATURE
a) Select the [Temperature] window and set it to 37.0° C!
Press 'CONFIRM'.
b)
c) Call debug screen 1. TWO (2) checks:
Check #1: 5V EST (right column): Between 4.7 and 5.3?
Check #2: 12V EST (right column): Between 11.7 and 12.3?
d) TWO (2) possible scenarios:
1) IF (and ONLY if) BOTH are in range AND stable i.e. not changing more than 0.1: See
procedure number
2) IF one or both is NOT REMAINING in range OR is unstable: See parts A THROUGH D below:
A) Turn the machine OFF!
B) Using ESD precautions, reseat all card cage circuit boards.
C) Turn the machine on and return to Dialysis Program ("Select Program" → 'Dialysis' →
'CONFIRM').
D) Call debug screen 1. If (and ONLY if) 5V EST and/or 12 EST are still not in range OR unstable
proceed to
procedure number

T- 1.0.1 ISOLATE FLOW ERROR

a) If the Automated Tests are running (screen reads "Test:....") allow them to finish.
b) Remove the 'dummy venous chamber' from the Level Detector.
Do NOT reset alarms!
c)
d) Call debug screen 0 to locate Flow Error. If it
even just once, indicates a masked Flow Error.
e) WITHOUT LOOKING AWAY, watch Flow Error for one (1) minute. Is it EVER = 1?
Yes Flow Error = 1, even if only once! Proceed to
DIALYSIS PROGRAM
No Flow Error ALWAYS = 0! See parts a THROUGH c below:
a) Return the concentrate connnectors to their rinse ports.
Parts b and c next page
T- 1.0.1 (page 215).
page 597
, procedure number
T- 1.0.1 (page 215).
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
P- B.0.0. If 5V EST and/or 12 EST are in range see
EVER
= '1',
page 20
, SECTION 1 - FLOW ERRORS IN
Page 215