Fresenius Medical Care 2008K Troubleshooting Manual page 50

F- 11.0.5 CHECK FOR A LEAKING BALANCING CHAMBER VALVE
a) Call the Home screen.
b) Press and release the 'RESET' key then immediately press and hold it for three seconds. If the "Adjusting
TMP" message is present allow it to expire. If a TMP alarm occurs, repeat the RESET sequence up to
twice more then continue.
c) Referring to the Figure (right), watch the (green or red) 'actual' TMP
bar for one minute. Does it fall ( ) towards the 0 Limit, and/or
increase towards the 520 Limit greater than +/- 30 mmHg OR 'peg'
below the 0 Limit causing a "TMP is LOW" alarm?
Yes NOTE this page and procedure number in case you need
to return here:
NOTE
a)
2) Balancing Chamber Valves #31 through #38. See
SECTION 18A – AUTOMATED VALVE LEAK TESTS
(page 230).
b) Replace the CFS pressure transducer #10 (see
No The CFS transducer #10 is bad (see
F- 14.0.0 TROUBLESHOOTING THE 'OUT OF BYPASS' CIRCUIT
a) Re-check loading pressure. If (and ONLY if) it is
NOT peaking to between: 23 and 27 psi
(equipped with DiaSafe
(NOT equipped with DiaSafe
procedure number F- 2.0.4
b) Referring the Figure (right), check the
external flow indicator (#75) for scoring (inner
tube appears cloudy) that may restrict 'bobs'
movement. The tube is normally perfectly
clear. If (and ONLY if) scoring is located
repair or replace the indicator as this may
be the problem.
c) Plug the concentrate connectors into their rinse ports and place the machine into Rinse Program.
d) Is the external flow indicator's 'bob' rising, at least ½ way up, and falling?
Yes See procedure number
No See procedure number
F- 14.0.1 CHECK BYPASS FUNCTION (BYPASS LED ON)
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, at least ¼ way
up, and falling?
Yes See procedure number
No See procedure number
nine leak tests will be performed: 1) IOS;
®
filter); 17 and 23 psi
®
filter) see
(page 18).
F- 14.0.1
F- 14.0.2
F- 14.0.9
F- 14.0.10
Fresenius 2008K Troubleshooting Guide
P/N 507298 Rev. B (Draft 1)
Section 1 – Flow Errors In Dialysis Program
Figure 21, page 43).
Figure 21, page 43). Replace it!
(page 48).
(page 49).
(page 51).
(page 52).
Page 48