Leica M500 N Service Manual page 44

Fault finding
08/2007 Gahe
Start-up sequence
Validity
Below description refers to SW 1.87 in the control unit and 2.4 or 4.4 in optics carrier.
Optics-carrier:
Initializing motor controller
Initializing microscope motors (zoom and focus drive
into their lower limit; M525 also Iris motor – drives to
most open limit)
Parameters
YES
received from
control unit?
Motors move to their start positions
(defined in user settings)
Start
position
NO
reached?
YES
Ready
Control-unit:
Initializing processor
Display „RTKernel-32 Debug version"
Display "M500 N/M520 N software version 1.87"
Display "Initializing"
Requesting version of optics carrier (M500 N or M520 or none)
Display "Presetting Optic Carrier defaults"
Resetting of values for total magnification, working
distance and auto focus to the standard values of the
recognized optics carrier (user settings are lost!!)
Requesting of: IGS company ID & IGS calibration code from optics carrier
NO
Requesting of other CAN devices
YES
Display last user "User name -
Activating user parameters"
Parameters are sent to optics
carrier
Ready - Display of the main menu
Service manual M500 N, M520, M525
4-6
Power off/on
time < setting in
NO
service menu ?
After x seconds
(User selection
timer)
Display "Standard setting -
Activating user parameters"
Parameters are sent to optics
carrier
Doc Code 10 665 751
Optics carrier
version different
YES
to last
?
configuration
NO
Display "Select User"
Any "user"
NO
selected by
operator (key
pressed) ?
YES
Display selected "User name -
Activating user parameters"
Parameters are sent to optics
carrier
Request for confirming of IPD,
diopter, eyepiece mag