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| Customization: | Available |
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| Max.Head: | >150m |
| Max.Capacity: | >400 L/min |
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| 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 |
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| The motor burned | Repair or replace the motor |
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| 1.Line is loose | Check wiring and tighten connectors |
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| 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 |
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