1998 Volvo V70 A/C Compressor will not accept 134A-comprsso

First thing you need to do is have the system evacuated to make sur you did not overcharged the system. Once the system has being evacuated, vacuumed of moisture and recharged with the proper amount you can recheck the system to see if it is working properly. If the compressor stops working again and you hve powergoing to the compressor clutch, the compressor clutch is worn out and will need replacing.