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2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
Page 571
WD- 1.0.0 ISOLATE 24V- B POWER SUPPLY
a) Per the Figure below, locate the motherboard’s nine (9) pin TEST Connector.
b) Spread the card cage side panels open then gently drop the front panel down to access the
motherboard’s nine (9) pin TEST Connector.
c) Measure at
pin 8
(second pin from right) as seen in the Figure above. TWO (2) possible scenarios:
1)
IF (and ONLY if) more than 3.0 volts DC:
Leaving the “WD: Fail Long Pulse” OR “WD: Fail Short
Pulse”
banner
2) IF less than 3.0 volts DC:
Read before performing! Turning the machine off in between, one at a
time, swap in the listed components (see Component List (below)) with known good, then test the
machine in between each.
Turn the machine off and on several times, allowing twenty (20)
seconds in between, to test each component!
Component List: 1)
Sensor Board
1;
2)
Actuator-Test Board;
3)
Functional Board
2
1, 2
To prevent “Cond Offset Failure”, place the machine into
T and C Mode
(refer to
OPERATING
MODES
, page
Error! Bookmark not defined.
)) for each board.
Summary of Contents for 2008K2
Page 1: ...2008K K2 HEMODIALYSIS SYSTEM TROUBLESHOOTING GUIDE Part Number 507298 Rev H ...
Page 655: ...2008K K2 Troubleshooting Guide P N 507298 Rev H Page 651 Figure 132 Inside the Power Supply ...
Page 668: ...2008K K2 Troubleshooting Guide P N 507298 Rev H Page 664 Figure 134 24 V Power Harness ...
Page 673: ...2008K K2 Troubleshooting Guide P N 507298 Rev H Page 669 APPENDIX C BLOOD PUMP ERROR CODES ...