Uf- 5.0.0 Check Uf Pump For 'Open Circuit'; Uf- 5.1.0 Isolate Uf Pump Circuit - Fresenius Medical Care 2008K2 Troubleshooting Manual

UF- 5.0.0 CHECK UF PUMP FOR 'OPEN CIRCUIT'

a) Turn the machine OFF!
b) Per the Figure right, ENSURE the UF Pump is
plugged PROPERLY into distribution board
position "P22, UF-P"!
c) Trace the UF Pump's wiring to distribution board
position "P22, UF-P" looking for insulation
damage.
d) Return to Dialysis Program ("Select Program" →
'Dialysis' → 'CONFIRM')
e) Allow two (2) minutes BEFORE continuing.
f) THREE (3) checks. Answer for all three below Check #3:
Check #1: Does the "UF Pump Alarm" banner appear?
Check #2: Call debug screen 0. Is the UF Pump symbol pink?
Check #3: Is the UF Pump's 'dot' ALWAYS blue? (i.e. NEVER white)
Yes (to any of the three): See procedure number UF- 5.1.0 (page 508).
No (to ALL three): The problem is no longer present HOWEVER: 1) Check the UF Pump per the

UF- 5.1.0 ISOLATE UF PUMP CIRCUIT

"UF Pump Alarm" OR pink UF Pump symbol OR UF pump 'dot' is ALWAYS blue:
One at a time swap in the listed components (see COMPONENT LIST below) but in between, to check if the
new component fixes the problem, return to (ABOVE) procedure number
COMPONENT LIST: 1) UF Pump
5) Motherboard.
1
With a known good UF Pump, attach all tubing but there is no need to mount it to the hydraulic
compartment unless it checks good.
2
The cable can be checked. NOTE that four (4) UF PUMP connections will be checked and proceed
page 521
to ,
Calibration Procedures AND 2) Perform the Alarms and Pressure Holding
Tests AND the UF Pump Integrity Test as described in the PM booklet!
NOTE: If a "UF Pump Alarm" banner reappears intermittently see procedure
number UF- 5.1.0
1
; 2) Actuator-Test Board; 3) Actuator cable
SECTION 16 - CHECKING THE ACTUATOR BOARD CABLE
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
(page 508)
UF- 5.0.0
2
; 4) Distribution board;
(page 508).
Page 508