Fault correction
Instruction For Use • C-MAC
®
video laryngoscope 8401xxx, Electronic Module 8401/8402 X, C-MAC
®
PM 8401
XD • 96076011EN-US • V3.1
32
14 Fault correction
14.1 Troubleshooting
WARNING
Always unplug the device before doing any cleaning and maintenance work on
the device.
Symptom
Possible causes
Remedy
Complete failure of the de-
vice. Possible lighting up of
status display.
– No power from the power
line.
– Power cord connector is
not properly connected to
device socket.
– System error
– Check the power supply.
– Push the power supply
plug firmly into the socket
on the device.
– Reset.
No picture, TFT screen dark.
– Electronic module/C-
MAC
®
PM not fully
inserted.
– Defective camera
electronics.
– TFT screen defective.
– Slide electronic module/
C-MAC
®
PM in as far as it
will go.
– Send electronic module/
C-MAC
®
PM or supply
unit to KARL STORZ for
repair.
Cloudy picture, stripes,
streaks, or similar.
– Telescope of the
laryngoscope is soiled.
– Contacts of the electronic
module/C-MAC
®
PM are
soiled.
– Clean with cotton swab
and alcohol solution or
special cleaning paste.
– Clean the contacts of the
electronic module/C-
MAC
®
PM.
Color distortions.
– White balance not carried
out correctly.
– Electronic module defect.
– Carry out new white
balance.
– Send the supply unit for
repairs to KARL STORZ.
Color rendering alternates.
– Camera connecting cable
is defect.
– Have a new camera
connecting cable fitted.
Image cannot be saved.
– No memory card
inserted.
– Memory card full.
– Memory card is not
recognized.
– Insert memory card.
– Change memory card.
– Insert the memory card
while the C-MAC
®
Monitor is switched off
and then turn the monitor
on again.
– Perform a reset.
– Format the memory card
on the PC with FAT
(standard).
