OTIS
Advance exchange
J+2 repair
J+10 repair
Frequency drive UD403B ULTRADRIVE
Repair of the UD403B ULTRADRIVE OTIS frequency drive. Diagnosis, testing and reconditioning. Available for repair in J+2 or J+10, or as an advance exchange subject to availability.
Advance exchangeJ+2 repairJ+10 repairDescription
Functions of the OTIS lift frequency drive: UD403B ULTRADRIVE. This electronic subassembly handles motor control, acceleration and deceleration ramp management, and speed regulation within the control cabinet.