1: Introduction General Service Information
14
Preventive Maintenance
Preventive maintenance and periodic operational checks are intended to be performed by the user. These
topics are respectively covered in the “Maintenance” and “Operational and Shift Checks” chapters of the
Instructions for Use.
The Maintenance chapter of this manual provides EtCO
2
testing procedures. Experienced and trained
Efficia DFM100 users (e.g. nurses or biomedical and clinical engineers) may perform the EtCO2 test.
Repair Philosophy
Defibrillator/Monitor
The repair philosophy of the Efficia DFM100 is subassembly replacement. Examples of subassemblies
are the printer, the Processor Printed Circuit Assembly (PCA), Therapy PCA, and selected connectors
and other items. Repairs that involve replacing components on a PCA are not supported.
CAUTION: Individual component replacement should not be attempted. Component level repair is inadvisable due
to the extensive use of surface mount technology and the high parts-density on the circuit boards.
Unauthorized component replacement can impair performance of the Efficia DFM100 and void
warranty.
WARNING: Remove all power sources (AC and battery) before opening the device. Failure to do so may allow the
device to charge without warning and could result in serious injury or death.
Battery
The 989803190371 lithium-ion battery is rechargeable. At the end of the battery’s useful life, it should
be recycled or discarded according to local regulations and replaced. Refer to the Efficia DFM100
Instructions for Use for additional information.
For information on ordering replacements, see “Ordering Supplies and Accessories” on page 177.
WARNING: Never crush, penetrate, or attempt to open lithium-ion batteries. Never incinerate lithium-ion batteries.
High case temperatures resulting from abuse of the battery could cause physical injury. The electrolyte is
highly flammable. Rupture of the battery pack may cause venting and ignition of the flammable cell
gases.
CAUTION: Due to their high energy density, lithium-ion batteries can deliver significant power. Use care when
working with or testing lithium-ion batteries. Do not short-circuit the terminals.
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