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2008K/K2 Troubleshooting Guide
P/N 507298 Rev. H
Page 603
P- F.2.0 SCREEN REMAINS ‘BLACK’ / I12 AND +5 VOLTS AT BACKLIGHT CONVERTER
a) Per the Figure below, measure for +5 AND +12 volts DC
(V
DC
)
inside the backlight converter connector.
BE CERTAIN the meter lead contacts the metal portion of the connector!
TWO (2) measurements:
Measurement #1:
Where the
red wire
is connected. Good = between 11.7 and 12.3 volts DC
Measurement #2:
Where the
white wire
is connected. Good = between 4.7 and 5. 3 volts DC
b) BOTH +12 and +5 volts DC good?
Yes
BOTH +12 and +5 good! See procedure number P- F.3.0 (page 603).
No Referring to the Figure below, THREE (3) possibilities:
1)
Bad Data Cable* (between the
Motherboard and the Display Board) OR;
2)
Bad Backlight Converter Cable (between the High
Voltage Power Supply and the Display Board) OR;
3)
Bad High Voltage Power Supply.
Figure 114 – Back Light Supply Voltages
P- F.3.0
TROUBLESHOOT A BLACK SCREEN
Referring to the Figure above:
a) Turn the machine OFF!
*
then ENSURE ALL screen and High Voltage Power Supply cables are plugged
in correctly.
*
WARNING!
VERY HIGH VOLTAGE if the machine is not off!
b) Turn the machine on. If (and ONLY if) the white backlight STILL does not turn on continue to part c.
c) Turn the machine OFF then swap in a known good Backlight Converter Cable (between the High
Voltage Power Supply and the Display Board).
d) Turn the machine ON. If (and ONLY if) the white backlight STILL does not turn on continue to part e.
e) Turn the machine OFF then swap in a known good High Voltage Power Supply.
f) Turn the machine ON. If (and ONLY if) the white backlight STILL does turn on swap in a known good
screen.
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 ...