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2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
Page 645
P- 2.0.7 ISOLATE ‘WATCH DOG OUTPUT’
a)
IMPORTANT! Turn the machine OFF!
b)
Per the Figure below, locate IC2 at the top edge of the Power Logic Board.
c)
Under IC2 are three resistors, top to bottom R8, R9 and R10.
Figure 131 – Power Logic Board/ R10
d)
TIGHTLY HOLD the meter lead at resistor #10 (R10) at the location shown in the Figure above.
e)
Looking for more than 4.0 volts at least once,
WITHOUT LOOKING AWAY FROM THE
METER
, turn the
machine ON (fan running)
and watch for thirty (30) seconds,!
f)
TWO (2) possible scenarios:
1)
IF (and ONLY if) NEVER, EVER more than 4.0 volts:
Repeat procedure P- 2.0.7. If R10 still
NEVER goes to more than 4.0 volts see procedure number
(page 646).
2) IF more than 4.0 volts at least once!
See parts A through C below:
A)
Turn the machine off and swap in known good Power Logic Board.
B)
Turn the machine on.
C) If System Initialization does reach 100% see procedure number
(page 646). If
System Initialization does reach 100% the previous Power Logic board is bad!
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 ...