2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
Page 268
T- 2.0.6 PIN 7 LESS THAN 4.0 VOLTS
a) Turn the machine OFF!
b)
IMPORTANT!
Return NTC #2’s connector to the
1
st
distribution board position from the left,
“CON-NTC”.
c) Swap in known good Actuator-Test board. To LOCATE the board refer to
(page 9).
d) With the known good board in, see procedure number
(page 268).
T- 2.0.7 GOOD ACTUATOR-TEST BOARD WAS SWAPPED IN
a) If troubleshooting a DIALYSIS PROGRAM temperature problem return to it
(“Select Program” →
‘Dialy
sis’ → ‘CONFIRM’). If a HEAT DISINFECT problem return to HEAT DISINFECT.
d)
CAUTION!
The measurement at the Power Logic board’s twenty-pin X2 cable, at
pin 7
,
is repeated.
To avoid damage:
1) Use the protected red meter lead!
2) Place the meter lead horizontally on pin 7
(BOTTOM row, four pins from the REAR of the
machine). 4.0 volts DC or MORE now?
Yes
Pin 7
now 4.0 volts OR more! The new Actuator-Test board fixed the problem.
No
Pin 7
still 3.9 volts DC or less!
Turning the machine off in between, one at a time, swap
in the following boards, see the BOARD LIST below, and in between repeat procedure
number
(page 268) to test each until
pin 7
is 4.0 volts DC or more.
BOARD LIST:
1)
Functional Board
1,2
;
2)
Power Logic Board
1
;
3)
Power Control board (inside
the power supply);
4)
Motherboard
1
.
1
To LOCATE these boards refer to
(page 9)
2
To prevent a “Cond Offset Failure” alarm place the machine into T and C Mode (refer to
OPERATING MODES
(page
Error! Bookmark not defined.
))
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 ...
