Landustrie LANDY DWP Operation, Maintenance & Instruction Manual
                | |
Contents
| 
Landustrie version 06-12 | operation & maintenance manual DWP & DNP-EX seriesSubject to modifications 13 / 16Trouble shooting:Make sure the mains are switched off Only trained and authorized people mayduring inspection. install and maintain the pump.Make sure the pump will not start Don’t go near to rotating parts of the pumpunexpectedly.Observe the local regulations for installation,maintenance and repair!Problem: Possible cause: Required action: Checkpoints:Pomp does not start No voltage on the terminals Check power supply * main switch* installation switches* all auxiliary switches* voltage relayCheck motor protection * earth leakage relay* the auxiliary switches* motor protection relay* water in oil relaisCheck start- and stop signals * too low level* obstructed level switches* engaged emergency stop* general electrical errorWrong pump cable connection Measure cable wires * check motor phasesBlockage impeller Check pump and/or impeller * impeller or pump jammingPump does not stop No stop signal Check level switches * level switches* general electrical errorWrong start / stop signal Check level switches * installation switches* level switches* settings level switchesPump start and stops Fault in power supply Check power supply * main switchrepeatedly * installation switches* switch thermal protectionLevel control system not stable Check level switches * installation switches* level switches* settings level switchesMotor overload Check motor protection * wrong direction of rotation* impeller blockage* motor protection relayMotor current too high Supply failure Check power supply * voltage monitoring relayPump failure Check pump * impeller blockage* medium specific gravity too highNo flow or too low Jamming or airlock in discharge pipeline Check discharge pipeline * wrong direction of rotationpump capacity * blockage in discharge* valves half open or closedPump failure Check pump * pump draws air* impeller blockage* impeller loose or damageFault in power supply Check power supply * main switch* installation switches* switch thermal protectionHigh level alarm Pump failure Check pump* impeller blockage* pump draws air* impeller loose or damage* damaged bearingsSupply failure Check power supply * switch thermal protection* fuses* level switches* settings level switchesIf the pump still fails please contact: |
Related manuals for Landustrie LANDY DNP
manualsdatabase
Your AI-powered manual search engine