Xylem IM205 Vortex Series - Manual (Page 21)

Vortex Installation, Operation and Maintenance Manual 19
PROBLEM POSSIBLE CAUSE REQUIRED ACTION CHECK POINTS
Pump runs but Too low capacity Check discharge *Discharge obstructed
no flow or too *Valve fully or partly closed
low flow (cont.) *Air pocket
Pump failure Check pump *Impeller or volute blocked
*Pump is sucking to much air
High level *Worn or broken impeller
alarm *Worn or broken bearings
Fault in power Check *Fuses
supply power supply *Control panel
Motor failure Check motor *Continuity and isolation
Trouble Shooting (continued)