Chapter 6—Alarms and Troubleshooting
186 2008K Hemodialysis Machine Operator’s Manual Rev P
Replacing the Diasafe Plus Filter
The Diasafe Plus filter is intended for the preparation of ultra-pure dialysate. If the machine
has a Diasafe Plus filter, it should be replaced at least every 90 days (3 months). You must
also replace the filter if the Diasafe test fails or shows an external leak. To replace the
Diasafe Plus filter:
Warning! The use of the Diasafe Plus filter does not reduce the need for routine
disinfection of your machine and RO system or routine monitoring of the chemical and
bacterial water quality. The disinfection procedure is unchanged with the Diasafe Plus filter
installed.
Warning! The Diasafe Plus filter can only be used in hemodialysis machines fitted with
Diasafe Plus Diafix lock system kits.
Caution: Be sure to remove the plastic tabs on the Diasafe Plus filter inlet and outlet before
inserting the new filter in the machine.
Note: If you instead have the DIASAFE Filter (located inside your machine), refer to P/N
490039: Diasafe Filter Operator’s Instructions.
1. Lift up the lock levers on the left side of the filter mount and slide used Diasafe Plus filter
up and out. Follow your clinic’s instructions for disposal.
2. Fit the fresh Diasafe Plus filter in the groove at the top of the mount and slide it down
until it clicks into place. Push the lock levers down again to lock the filter into its mount.
3. Test the new Diasafe Plus filter: From the “Test & Options” screen (see page 89), select
the Pressure Test button and press CONFIRM to start the test. When the Pressure
Holding test has passed, touch the Diasafe Test button and press CONFIRM to start the
test.
Warning! If the machine fails any of the tests and the cause cannot be corrected, or if it fails
later tests, it should not be used for treatment. Have the machine checked by a qualified
technician to correct the problem.
Warning! After replacing the Diasafe Plus filter, run a Heat Disinfect to disinfect the
machine.
Replacing the 9-Volt Battery
Replace the machine’s 9-Volt battery if the battery test fails in the Alarm test. Follow the
instructions below:
1. Turn the machine OFF. Locate the battery on the back of the machine and push the black
battery loading cartridge in and to the left. The battery cartridge will pop forward. Slide
the cartridge out.
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