Hello, dear group.
I need your help, please.
When trying to make an x-ray exposure, error 23 or 27 appears, randomly error 35 too. Any kv, any mAs, both filaments.
Filament cal done. Standby current cal done ( voltage across R74 is 0.250 Vdc). Led D15 at HV control board lights on when error occurs. Same condition with led D2 at filament control board. What could be the cause? Any help will be highly appreciated.
Regards.
Wed Mar 17 2021
Error 23, error 27, some times error 35
Thu Mar 18 2021Reply from Ben C
What is the name of the manufacturer and model of the equipment you are working on?
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Thu Mar 18 2021Reply from VicMayal
Tue Apr 06 2021Reply from VicMayal
I have been following the service manual instructions.
We replaced x-ray tube by a Varian type 1 tube (previous one was a Toshiba tube), but now error 23 always appears, eventhough the proper tube tube was set, and was calibrated. However, I could not change values of tube bias voltage according to the instructions on "TUBE BIAS VOLTAGE ADJUSTMENT" section. Those values are: 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10. Service manual says that those values must be 5V, 5V, 5V, 5V, 5V, 6V, 7V, 8V, 9V and 10V. How can I set the proper values for the new x-ray tube?
I hope that anybody can give me support for solving this problem.
Regards.
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