How can resolve problem OrP fault in delta C2000 series drive ?
Phase loss protection (OrP) - Phase loss of power input.
DC bus is lower than Pr.07-00, and DC bus ripple is higher than Pr.06-52.
Correctly install the wiring of the main circuit power.
check loose wiring terminal of input power - Tighten the terminal screws according to the torque described in the user manual.
Fault treatment parameter - Pr.06-53.
Check drive rectifier & IGBT using multimeter.
Check wiring.
Check drive hardware using multimeter.