Hi.. Root canal treated tooth should not have any pain neither the gum surrounding the teeth should bleed. Bleeding from the gums may be due to food getting stuck in between the teeth continuously irritating the gums or may be due to reinfected root canal.
Next Steps
Visit the Dr and get it checked, Dr will check and address your problem.
Health Tips
If it is because of food stucking then you should maintain the area well by cleaning or changing the caps so that there is no space between the teeth. If it is due to reinfected root canal then re-RCT is required.