Pre-Charging
If the voltage on the pre-charging capacitors reaches about 280V, a relay on the Filament Driver PCB will operate, disconnecting
the pre-charge relays, and forcing the voltage to cycle between 280V and about 180V. Eventually, software will fail to boot fully,
and the operator will restart the system or call for service.
Functional Tests
To test the Pre-charge function, perform the functional tests in the C-Arm Subsystem chapter. Most failures will be manifested by
error messages. Use the instructions supplied with the error messages in the Diagnostics chapter, in conjunction with the fault
isolation procedures in the following secton.
6
Service
Periodic Maintenance
Contents
Schematics
Illustrated Parts
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