Overview 4: Repair
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Repair Notes
The following sections provide details of how to successfully work with the internal assemblies of the
Efficia DFM100 defibrillator/monitor.
Safety Precautions
WARNING: Remove all power sources (AC and battery) before opening the Efficia DFM100. Failure to do so may
allow the device to charge without warning and could result in serious injury or death.
CAUTION: Take the necessary precautions against shock or injury before you conduct defibrillator/monitor tests or
repairs.
• Only properly trained engineers and technicians should service the device.
• The device can contain deadly voltages even if the device is turned off.
• Make sure the device is disarmed.
To disarm the defibrillator, press the Cancel Charge soft key. If the Shock button has not been
pressed within the time period specified in the Time to Auto Disarm configuration setting, the
defibrillator disarms automatically. Additionally, you can disarm the Efficia DFM100 any time by
turning the Therapy Knob to the Off position.
• Make sure that you disconnect all power before opening the device.
• Make sure you discharge the device before working with it.
• Make sure you work in a static-safe environment. Use a static control wrist band, in conjunction
with an antistatic pad grounded per the manufacturer’s instructions.
• Special cleaning technologies are used during the manufacturing of the PCAs. Be careful not to
touch the surface areas of the PCAs with bare hands because skin oil can affect product performance.
Use anti-static or cotton gloves or rubber finger tips.
• Keep replacement PCAs in antistatic pouches until ready to install.
• Note that the edges of the metal brackets and display metal protection enclosure may be sharp. Take
care not to cut yourself or shear the wires.
Internal Connections
Whenever troubleshooting indicates a particular PCA may be at fault, it is always good practice to check
all the connections to that PCA and retest before replacing the PCA.
Cable and Assembly Placement
How the wires and cables are routed and dressed inside the main plastic frame plays an important role in
two areas: in preventing long-term wear and potential pinching problems, and in reducing
electromagnetic and radio frequency interference emitted by the defibrillator/monitor.
• When you disassemble any part of the device, pay special attention to how cables and wires are
routed.
• When you reassemble the device, be sure to route and dress all cables and wires as they were
originally.
• Return all components to their original position within the case.
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