The resistance of the big transformer primary and secondary were measured, the value of the primary was zero, and the secondary 2k Ohm. Keith said that values are reasonable. I also checked the H.V. after disconnecting the cable to the thyratrons. The voltage obviously could be monitored. It means the HV power supply works very well. It must be somewhere not good after the HV power supply. I pumped the top oil tank to check the caps, chokes and transformers again. Because the wired phenomenon of no HV monitor was happened just after we cleaned the top tank oil and installed the caps last month.
Changed the dry compressed air cylinder for spark gap switch. Changed some damaged resistors.
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