Fresenius Medical Care 2008K Troubleshooting Manual page 202

PHT- 9.0.0 UF INTEGRITY CHECK
This procedure checks that the UF pump internal
springs are functioning properly:
a) Referring to the Figure (right), remove the
OUTPUT tubing from the UF pump.
b) Attach a 24 inch piece of tubing to the
empty nozzle and direct it away from the
machine. The UF pump will output fluid
during subsequent tests.
c) From the 'Test & Options' screen repeat the
Pressure Tests. Do both (Negative and
Positive) Pressure tests pass?
Yes Reinstall the tubing. A Pressure Test problem is not indicated at this time however, per
Preventative Maintenance procedures check UF PUMP (1 ml/stroke). NOTE: If Pressure
Tests are failing intermittently consider replacing the DiaSafe
No CAREFULLY rebuild the UF Pump per Preventative Maintenance Procedures then repeat the
UF INTEGRITY CHECK.
®
PHT- 10.0.0 DIASAFE
Referring to Figure 301
Valve #28 (with DiaSafe
Valve #91 (with old style DiaSafe
FILTER TEST VALVE CHECKS
(page 200), proceed according to how the machine is equipped:
®
Plus Filter): See procedure number
®
filter): Replace valve #91.
Figure 301 – DiaSafe
Fresenius 2008K Troubleshooting Guide
P/N 507298 Rev. B (Draft 1)
Section 10 – Pressure Tests Failing
®
filter per procedure.
PHT- 10.2.0
®
Options
(page 201).
Page 200