Battery Charging
Charger output goes to the battery via the Capacitor/Power Module. The following information about charger operation is not
visible in the diagram above, however you should be familiar with how the charger itself operates.
• The charger has three modes of operation: high charge, normal charge, and trickle charge.
• During high charge mode, input voltage of 115VAC is rectified and boosted with power factor correction and battery
voltage is maintained at 235VDC.
• During normal charge mode, battery voltage is maintained at 225VDC.
• If battery load voltage drops below 163VDC, internal chager circuitry shuts off output and the charger goes into trickle
charge mode until battery voltage rebuilds. This is to protect the charger from high currents caused by low battery
voltage such as during heavy use or if the system is left unplugged for too long.
• Notice that the charger indicator light (see AC Power Distribution chapter , this manual) is supposed to be lit at all times,
as long as the C-Arm is connected to the Workstation and the Workstation is plugged in, regardless of whether the C-
Arm is booted up.
Functional Tests
To functionally test the Battery Charging function, perform the following applicable tests (see C-Arm Subsystem chapter of this
manual).
• Boot Test
• Fluoro Mode Performance Check
• Film Mode Performance Check
3
Service
Periodic Maintenance
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