fault phenomenon | failure cause | elimination methods |
The manual is normal
Automatic transmission failure |
1.No power supply or one or two phase power supply is needed |
Check all phases of power supply and restore power supply |
Water level is too low |
Put water in the sink |
|
The motor burned |
Repair or replace the motor |
|
1.Line is loose |
Check wiring and tighten connectors |
|
2.Frequency converter malfunction | Check the fault content, check the cause according to the frequency converter manual, and restart after reset. Or disconnect the inverter power supply for a few seconds, the inverter fault reset before starting . | |
3The frequency converter is damaged | Repair or replace | |
4.Pressure switch damage | Repair or replace | |
5The pressure transmitter is damaged | Repair or replace | |
6.Switch failure | Repair or replace | |
Pump non - suction pressure gauge pointer to beat violently | Insufficient water supply for perfusion, air leakage at the connection between pipeline and instrument | Check pipeline and bottom valve, refill water diversion. Tighten air leakage |
The pump consumes too much power |
Too much flow, impeller wear |
Check whether the pump shaft is bent, replace the impeller, close the outlet valve to reduce the flow |