Siemens MOBILETT XP Troubleshooting Manual

Also see for MOBILETT XP: Instructions for use Maintenance Instruction Installation and startup Troubleshooting guide

68 Service programsMOBILETT XP SPR8-230.840.01.05.02 Siemens AG11.05 CS SD 24Page 68 of 72 Medical Solutions8-7Service programsOverview 0Activating service programs 0• System OFF• Remove the top cover.• Service switch SW2B on board D916 in position 2• System ON.¹ Display shows "Pr 1"• Use the "mAs+ / mAs-" keys to select the service program• Use the Collimator Lamp button on the control panel to start a service program. To enda service program, press the Collimator Lamp button again.NOTE If a service program is activated, no radiation can be released.Program 1 - formatting the capacitor bank 0Program 2 - Exposure counter 0Program 1• After the start of the service program, "CAP 150" is shown on the display.• The voltage rises incrementally from 150 V to 440 V DC. Each program step is per-formed for approx. 6 minutes.• The system maintains the voltage level of 440 V DC for approx. 1 hour. The programis then ended automatically. After termination of the program, the message "CAPEND“ is displayed.NOTE:If the actual voltage is greater than 150 V, the program first performs a discharge to <150 V. This process takes 10 to 15 minutes. The program then begins charging thecapacitor bank.Program 2• Display of exposure number in the displayNOTE:It is not possible to reset to zero in the event of a tube change.The counter reading must be noted as the starting value for a new component (e.g. sin-gle tank).