F- 18.1.0 Isolate Loading Pressure Valve #65; F- 18.2.0 Isolate Possible Leaking Balancing Chamber Valve - Fresenius Medical Care 2008K2 Troubleshooting Manual

F- 18.1.0 ISOLATE LOADING PRESSURE VALVE #65

a) Ignoring the MINIMUM pressure for now, if Loading Pressure is NOT achieving a PEAK of somewhere
between 23 and 25 psi, adjust Loading Pressure Valve #65's nut (Figure below) until it does.
b) Figure right, if threads are visible under Valve #65's nut see
part c. If no threads are visible either the wrong spring is
installed under Valve #65's nut* OR Valve #65 is bad.
* Refer to Figure 6
c) From the Home screen, set [Dialysate Flow] to 800 ml/min!
d) TWO (2) possible TMP window scenarios:
1)
IF (and ONLY if) the TMP window is white: See
procedure number
2)
IF the TMP window is RED (TMP alarm present): See parts a THROUGH c below:
a) Press and release the 'Reset' key then immediately press and hold it for three (3) seconds.
b) Allow thirty (30) seconds. If a TMP alarm reoccurs attempt RESET up to twice more BEFORE
continuing to part c.
c) Allow thirty (30) seconds BEFORE continuing to procedure number

F- 18.2.0 ISOLATE POSSIBLE LEAKING BALANCING CHAMBER VALVE

Call debug screen 4 to simultaneously watch PDIA (left column) AND ADIA
(right column) or two (2) FULL minutes. They may change slightly but
should remain between 2.0 and 8.0. TWO (2) possible scenarios next
page:
(page 19)
F- 18.2.0 (page 127).
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
F- 18.2.0 (page 127).
Page 127