In Antistatic How checked 1) Control transformer o/p which is in KV.
2) Electrode 3) Antistatic charge when system is ok that time we see sparking on electrode means its working well. but when unit have prob that time how we checked charge.
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I think you're confused on your terminology. Anti-static or Electro Static Discharge occurs between materials of opposing charges. Such as insulated materials holding a static charge coming within a discharge range of a conductive material with a path to ground and the damage is to Integrated Circuits (ICs). What you describe are conductive devices with paths to ground without ICs around the discharge path in the case of the Electrode.
As far as troubleshooting the electrode circuit when you're having problems and because of your question, I wouldn't recommend troubleshooting on your own with a live circuit! It sounds like you're dealing with a resistive welding machine which could have hundreds, if not thousands of amps ready to discharge.
What type of controller are you using? Some have the capability to measure resistance in the circuit and if resistance is too high, they will not discharge. Without power applied, you can check continuity of your circuit as well as visually checking for breaks or separations in the circuit while electrodes are closing together.
Hopefully I made a good assumption as to your application and was helpful.