Leak Test Scenarios Table; Autotest- 1.0.0 Ios Failed/Positive Pressure Leak Tests; Autotest- 2.0.0 No External Leaks Located/Check Uf Pump - Fresenius Medical Care 2008K2 Troubleshooting Manual

Table 14 – Leak Test Scenarios
Observed Scenario:
If ALL valves PASS
If ONLY one valve fails
If ONLY Valves #31 and #35 fail
If ONLY Valves #32 and #36 fail
If ONLY Valves #33 and #37 fail
If ONLY Valves #34 and #38 fail
ALL OTHER scenarios
AUTOTEST- 1.0.0 IOS FAILED / POSITIVE PRESSURE LEAK TESTS
ANY external leak, however small, MAY be causing IOS failures and MUST be repaired!
a) Place the machine into RINSE PROGRAM.
b) Using a flashlight, THROUGHLY check for external leaks.
c) Check the ENTIRE length of the external dialyzer lines for leaks (i.e. dialyzer quick connectors, external
flow indicator, connections at the rear of the machine and (if equipped) the sample port.
®
d) Check the DiaSafe
e) If an immediate leak is NOT located allow two (2) minutes then repeat parts a THROUGH d! If still NO
LEAKS see procedure number
AUTOTEST- 2.0.0 NO EXTERNAL LEAKS LOCATED / CHECK UF PUMP
The UF Pump creates negative pressure for the Valve Leak Test. If it is malfunctioning multiple valves fail:
a) Enter Service Mode → Calibrate Hydraulics → UF Pump Volume.
b) Place the dialyzer connectors into a bucket of water on the floor.
c) Close the shunt door.
d) Figure right, remove the Ultrafiltrate Output Sample Connector from
its port and hold it up as seen in the Figure!
e) Press 'CONFIRM'. The screen changes.
f) Press the 'Prime' key. IGNORE five (5) strokes then watch five (5). Does the UF Pump deliver 'strong
pulses', through the Fluid Sample Connector, that squirt out at least six (6) feet?
filter tubing AND its housing for external leaks!
AUTOTEST- 2.0.0
2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
Your Response:
Return to the NOTED procedure that brought you here
See procedure number
See procedure number
See procedure number
See procedure number
See procedure number
Turn the machine OFF then see procedure number
AUTOTEST- 1.0.0
(page 528).
AUTOTEST- 7.0.0 (page 532)
AUTOTEST- 7.0.0 (page 532)
AUTOTEST- 7.0.0 (page 532)
AUTOTEST- 7.0.0 (page 532)
AUTOTEST- 7.0.0 (page 532)
(page 528)
Page 528