You need to provide more detail of where the sensor is being used. What is the purpose of the equipment and the sensor within it ?
As has been stated, there are many different types of device that may be used to detect UV wavelengths of light. I have worked with the gas cell UV types of detectors but filtered optical diodes and CCD’s are commonly used these days.
If, in your last post you were asking whether replacing the suspected diode sensor with a bridging wire would work, the answer is no.
If the device you are trying to repair has safety related controls applicable to it, I suggest you consider your personal or company liability situation.
To do:
Tell us what equipment this sensor resides within
Tell us why it is needed in that equipment
Tell us whether the equipment is in any way controlled in terms of safety regulations
Show us pictures of the PCB on which the sensor is mounted (both sides)
Only then can anyone offer any meaningful comment beyond our best guesses.
Fraser