Service Manual
Operating Lights marLED® E3, E9, E9i, E15, battery and
marLED® E3 on ceiling tube Ø 110 mm
Revision 2 9
1 Notices Concerning this Document
1.1 Safety
Failure to observe this document can lead to serious or even lethal
injury to the patient or the user!
Please observe all instructions, in particular cautionary notes, warnings and danger information!
1.2 Notices for Service Technicians
• To keep the lights as well as their mounting/suspension systems in a perfect technical condition, it is
essential for you as a service technician to perform your work with utmost precision and expertise. This
service document is intended to support you in performing your highly responsible work.
• While participation in a service training course authorizes technicians to perform mounting and service
work, it does not confer any authorization for providing user advice! Regarding the latter,
Gebrüder Martin offers special product training.
• As regards screw torques and thread-locking fluid to be applied in the performance of the service work,
refer to the marLED® Mounting Instructions.
1.3 Terms & Acronyms
Designation Description
ASPS Additional safety power supply (battery)
backLite Brightness regulation 5% for endoscopic background illumination
boost Large light field with maximum illuminance
Cardanic system Light head suspension up to spring arm, with one or more cardan joints
Fully cardanic Cardanic system with 2 cardan joints, rotatable in 3 axes
LC cardanic
Low-ceiling cardanic suspension: simplified cardanic system with one cardan joint,
rotatable in 2 axes, for use in low rooms
COM COM interface RS232 for marLED® or surgiCam
DSP Digital signal processors
HW Hardware
HW 00 Hardware release HW 00, see section 14.2 “Overview of Hardware Changes”, page 177
Light Engine LED illumination
Power module Switching power supply located on an external mounting plate
sensoGrip Multifunction handle unit for sterilizable handles or sterile disposable covers
SMPS Switched-mode power supply
SPS Safety power supply (mains)
surgiCam Camera system as surgiCam SD or surgiCam HD variant
SW Software
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