OTIS
J+2 repair
J+10 repair
Frequency drive Carte UD403B (Carte seule)
Repair of the Carte UD403B (Carte seule) OTIS frequency drive. Diagnosis, testing and reconditioning. Available for repair in J+2 or J+10.
J+2 repairJ+10 repairDescription
Functions of the OTIS lift frequency drive: Carte UD403B (Carte seule). This electronic subassembly handles motor control, acceleration and deceleration ramp management, and speed regulation within the control cabinet.