[Test Equipment] When connecting a stabilized power supply to VDS-2002, it becomes overloaded. Is this a malfunction?

[Test Equipment] When connecting a stabilized power supply to VDS-2002, it becomes overloaded. Is this a malfunction?

The power supply voltage fluctuation tester VDS-2002 draws a current of AC100V: 1.72A / AC200V: 3.53A.
Also, the rush current (when switching from LINE OFF to LINE ON) is AC100V: 141A / AC200V: 305A, so please check the specifications of the connected power supply.