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2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
Page 642
3)
IF (and ONLY if) REMAINS BETWEEN 3.0 and 23.0 volts
:
TWO (2) possibilities:
1)
Bad 24 volt switch (IC4)
*
OR
2)
Bad thermal (BROWN) fuse S18
*
To LOCATE IC4 AND fuse S18 refer to
(page 651). With the machine off, the
fuse can be checked by measuring RESISTANCE (Ω) BETWEEN its two terminals. A good
fuse measures less than 0.5 Ω.
4)
IF AFTER thirty seconds REMAINS between 23.0 and 28.0 volts:
See (ABOVE)
page 626
P- 2.0.4 MOMENTARILY BETWEEN 23.0 AND 28.0 VOLTS DC
a)
Turn the machine OFF!
b) Swap in a known good Sensor board*. *To LOCATE the board refer to
(page 9)
c) Turn the machine on (fan running). When “Press CONFIRM for Service Mode” appears press
‘CONFIRM’. The screen says “Machine in Service Mode”.
d) Allow forty (40) seconds! Does the Main Service Program menu appear?
Yes
Service menu appears! The previous Sensor board is bad. Perform all calibrations with the
new Sensor board!
No Service mode menu DOES NOT appear! One by one, with the power off, swap in the remaining
card cage circuit boards with known good, starting with the Actuator-Test Board, and repeating
parts c through d in between to test each new board. After replacing all boards if a Main Service
menu still does NOT appear proceed to
page 649
, procedure number
LEFT BLANK INTENTIONALLY
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 ...