Some common problems with instrument power supplies include unstable power supply, overheating of the power supply, too high or too low current, damaged power lines, etc. Here are some solutions to these problems:
1. The power supply is unstable: First check whether the power line is loose or damaged. You can also try to replace the power line. If the problem persists, it may be a problem with the power adapter itself, and you may need to replace it with a new one.
2. Power supply overheating: Power supply overheating may be caused by excessive power load or problems with the cooling system. First check whether the load of the power supply is appropriate. If it is too large, you need to reduce the load or replace the power supply with a higher power. If there is no problem with the load, check the cooling system to see if the fan is working properly and if there is dust on the heat sink.
3. The current is too large or too small: This may be a problem with the output current setting of the power supply. Try to readjust the output current setting. If it still cannot be solved, there may be a problem with the current regulation circuit of the power supply, which requires professional technicians to perform maintenance.
4. Damaged power line: This is a relatively easy problem to eliminate. First, check whether there is any obvious physical damage to the circuit, such as breaks, burns, etc. If there is no obvious damage, you can try replacing a power cord to see if that solves the problem.
Finally, if none of the above methods can solve the problem, or you are not sure how to deal with it, it is recommended to contact professional technicians in time to handle it.