Fresenius Medical Care 2008K Troubleshooting Manual page 22

TABLE P
If NOTED selected Dialysate Flow rate is:
F- 3.0.0 CHECK 'OUT OF BYPASS' CIRCUIT
a) Close the shunt door.
b) Plug the concentrate connectors into their
respective rinse ports.
c) Referring to the Figure (right), check the
external flow indicator (#75) for scoring (inner
tube appears cloudy) that may restrict flow.
Normally the tube is very clear. If (and ONLY
if) scoring is located repair or replace the
flow indicator as this may be the problem!
d) Place the machine into Rinse Program.
e) Is the external flow indicator's (#75) 'bob' rising, at least ½ way up, and falling?
Yes See procedure number
No See procedure number
F- 3.1.0 CHECK VALVE #24 / VALVE#26
a) Allow rinse to continue for two full minutes.
b) Press the 'Escape' key then the 'CONFIRM' key twice to return to the "Select Program" screen.
c) Connect to concentrate and return to Dialysis program (remember to press the 'CONFIRM' key).
d) From the Home screen, set Dialysate flow to 800 ml/min and press the 'CONFIRM' key.
IMPORTANT!
e) With the Bypass LED ON CONSTANT is the flow indicator's 'bob'
rising and falling?
Yes See procedure number
No a) Re-check loading pressure. If (and ONLY if) it is NOT 'okay' (per
return to procedure number
b) See procedure number
F- 3.2.0 CHECK DIALYSATE PRESSURE TRANSDUCER (#9)
a) Referring to the Figure (right), ASSURE the dialyzer connectors are placed
correctly.
IMPORTANT!
b) Turn Dialysate flow OFF (Dialysate Flow on/off LED
blinks).
c) Remove the red connector and hang it over the dialyzer holder.
IMPORTANT!
d) Close the shunt door. Ignore "Emptying" related
messages.
300 ml/min
500 ml/min
800 ml/min
F- 3.1.0 (page 20).
F- 14.0.2 (page 49).
F- 14.0.9 (page 51).
F- 2.0.4
F- 3.2.0
Fresenius 2008K Troubleshooting Guide
P/N 507298 Rev. B (Draft 1)
Section 1 – Flow Errors In Dialysis Program
BC Switch between:
540 and 660 (5.40 and 6.60 seconds)
324 and 396 (3.24 and 3.96 seconds)
203 and 248 (2.03 and 2.48 seconds)
(page 18).
(page 20).
Table 1, page 18)
Page 20