I have an Otis 211 two stop appoximately five years old,stuck at the second floor. Car was running previously,though overshooting in the down at first floor and therafter immediately returning to the second floor where it is now stuck reading the following faults on display: Lodc ,FTLD,and FLRP. Won't reset on start up; dispaying LODC & FTLD. The safety circuit is made up and can be ran on inspection. Can anyone help? We have no experience with this unit. Scottsr.