Solution Solutions
1
2018 - 05 - 24
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Causes of malfunctioning / Troubleshooting Countermeasures for errors⊙The system stores up to 20 information related to the detection of abnormalities.⊙To initialize the information of abnormalities saved, press the “” button for more than 1 second.If any other problems, please contact with the agent.
2
2018 - 05 - 22
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Causes of malfunctioning / Troubleshooting Countermeasures for errors⊙The system stores up to 20 information related to the detection of abnormalities.⊙To initialize the information of abnormalities saved, press the “” button for more than 1 second.If any other problems, please contact with the agent.
3
2018 - 05 - 22
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1.System Running Fault and Trouble Shooting2.Water supply Running Fault and Trouble ShootingFaultCodeFaultTypeReasonSolution   LP  Low Water Pressure 1. Abnormal sensor;2. Motor rotates in the reverse direction;3. Insufficient water inflow;4. There is air inside the pumpl Check the installation of pressure transmitter;l Check the motor’s direction of rotation is correct or not;l Check the parameter b01.01 (setting value too big);l Check the pump whether is vent outthe air inside&#...
4
2018 - 05 - 22
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B503 Series Fault and Trouble shootingFault CodeFault TypeReasonSolutionE001IGBT Ph-U fault1. Acc/Dec time is too  short;2. IGBT module fault;3. Malfunction caused by  interference;4. Grounding is not  properly1. Increase Acc/Dec time;2. Ask for support;3. Inspect external equipment  and eliminate interferenceE002IGBT Ph-V faultE003IGBT Ph-W faultE004Over-current when acceleration1. Short-circuit or ground  fault occurred at  controller output;2. Load is too heavy or  Acc/Dec time is too  short;3. V/F curve is...
5
2018 - 05 - 22
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B503DSL Series Fault and trouble shootingFault CodeFault TypeReasonSolutionOUT1IGBT Ph-U fault1. IGBT module fault;2. Malfunction caused by  interference;3. Grounding is not properly1. Ask for support;2. Inspect external equipment and   eliminate interference  OUT2IGBT Ph-V faultOUT3IGBT Ph-W faultOCOver-current1. Sudden change of pump;2. Low input voltage;3. The capacity of controller is   small1. Inspect pump and reduce the  Change;2. Check the power supply;3. Select Select bigger capacity  controllerOVOver-voltage1. ...
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