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2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
Page 489
•
NPHT:
A count down timer that begins at 720 seconds (12 minutes). When it reaches 0 On Line
PHT tests are performed.
•
PHTACT:
= 1 when the On Line PHT is running; 0 when not running
•
PHT0:
Leak test results of the first BC valve cycle, depending upon which valve cycle was active
when the test began. If less than 25 the valves in this cycle are not leaking.
•
PHT1:
Leak test results of the second BC valve cycle, depending upon which valve cycle was
active when the test began. If less than 25 the valves in this cycle are not leaking.
Probable Causes of Pressure Test Failures
:
•
Air entering or dialysate escaping through a bad O-ring, bad connection, tubing leak, etc.
•
DiaSafe
®
filter leaking or DiaSafe
®
filter test valve leaking internally
•
Valves #43 leaking internally
•
Valve #24, #25 leaking internally (if failing On Line PHT ONLY)
•
Balancing chamber valve (#31 through #38) leaking internally
•
Deaeration Pressure too high or too low
•
Dialysate Pressure (Transmembrane Pressure (TMP)) out of calibration specifications
•
Bad UF Pump #22 (with “Fail Get Neg TMP”, “Fail Neg Stabilize”, “Fail Neg Flow On”)
PHT0
PHT1
Meaning
Less than 25
Less than 25
All BC valves are okay
More than 25
Less than 25
BC valve leak (first valve cycle)
Less than 25
More than 25
BC valve leak (second valve cycle)
More than 25
More than 25
Leak (probably) external to the BC valves
Содержание 2008K2
Страница 1: ...2008K K2 HEMODIALYSIS SYSTEM TROUBLESHOOTING GUIDE Part Number 507298 Rev H ...
Страница 197: ...2008K K2 Troubleshooting Guide P N 507298 Rev H Page 193 Figure 35 Hydraulics Top View Figure 36 Hydraulics Rear View ...
Страница 655: ...2008K K2 Troubleshooting Guide P N 507298 Rev H Page 651 Figure 132 Inside the Power Supply ...
Страница 668: ...2008K K2 Troubleshooting Guide P N 507298 Rev H Page 664 Figure 134 24 V Power Harness ...
Страница 673: ...2008K K2 Troubleshooting Guide P N 507298 Rev H Page 669 APPENDIX C BLOOD PUMP ERROR CODES ...