Large parts such as impellers and main shafts are considered to be items with long delivery times. Parts requiring caution are parts with a high possibility of being damaged if there is a malfunction, which are also parts with comparatively long delivery times, such as bearings and plated sliding parts.
Rotating, but water does not come out. Discharge quantity is not enogh to specified capacity.
Over load (Overcurrent) occurs.
Excessive water leakage from stuffing box
Electric motor does not work well with noise.
Water comes out at first, but it doesn't come out soon.