No spark discharge occurs even when the discharge gun trigger of the electrostatic discharge simulator is pulled. Is this a malfunction?

No spark discharge occurs even when the discharge gun trigger of the electrostatic discharge simulator is pulled. Is this a malfunction?

Before judging it to be a malfunction, check the trigger setting of the electrostatic discharge simulator main unit.
   * For details, please refer to the instruction manual for each model.

Representative electrostatic discharge simulators

[ESS-200AX / 2000]
Press the MODEL key to display the menu screen.
Select 0 Auxiliary (0 UTILITY).
On the *UTILITY screen, select 0 MISCELLANEOUS to call up the function setting screen.
Move the setting frame to the TRIGGER item and confirm that it is set to GUN TRIGGER.
* The trigger setting can be changed by turning the rotary knob.

[ESS-2000AX]
Check TRIGGER from the MENU screen and confirm that it is set to GUN.
* The trigger setting can be changed by pressing the F5 switch.

[ESS-2002]
Confirm that GUN is selected with the trigger selection switch.
* If the adjacent CONTROLLER is selected, discharge is performed by pressing the CONTROLLER switch.

[ESS-S3011A]
Confirm that the TRIGGER setting in the main menu item is set to GUN.
* The trigger setting can be changed by turning the rotary knob.

[ESS-B3011/B3011A]
Confirm that the GUN/CONT switch LED is lit.
* Each time the GUN/CONT switch is pressed, the setting switches alternately.