Specifications
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Troubleshooting the
Agilent V24/V26 Series
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Display is blank
Power Supply LED is off for 12 volts.
Speaker will not work.
No 12 volts present in the instrument
or contrast control not adjusted cor-
rectly, or backlight failed.
Adjust monochrome contrast
control.
Replace backlight
Replace Power Supply
Patient data is corrupted and instrument
stores the corrupted data when a power
failure occurs.
Power circuit failure Replace power supply.
Replace System Board
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Fluid dripping or appearing below instru-
ment.
Flat Panel assembly damaged or
cracked.
Replace Flat Panel assembly.
Decrease in light intensity on display Flat Panel Backlight Tube assembly
is worn out.
Replace Flat Panel Backlight tube.
Uneven brightness on display Reflector film covering mono-
chrome Flat Panel Backlight is dis-
turbed or improperly positioned.
Re-position reflector film so that it
properly covers backlight.
Blank display screen Display brightness is reduced when
room temperature, or instruments
placed near patient monitor, causes
the monitor display to overheat.
Flat Panel Data Cable to System
Board broken or disconnected
(See also System Board and Power
Supply related problems)
Backlight inverter power supply
fails.
Contrast or Brightness Control
Assembly fails.
Adjust contrast control
Instrument should be placed in an
environment that does not exceed 40
degrees C or below 5 degrees C.
Replace Flat Panel Data Cable to
System Board.
Replace Flat Panel (color)
Replace Flat Panel Adapter Board
(monochrome)
Replace Contrast or Brightness Con-
trol Assembly.
Display waves are “noisy” or not showing
a smooth QRS wave
Radio frequency interference (RFI)
from other instruments such as ultra-
sound, ESU, Defib, or telemetry is
causing a noisy waveforms
Turn off or move away the instru-
ment causing RFI problems from the
monitor.
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