Submersible Pump Motor Inverter with Water Shortage Protection and Constant Pressure Control

Company ProfileGuangzhou Bedford Electric Equipment Co., Ltd. which was established in April 2007 with the brand " BEDFORD", is a high-tech enterprise integrating with R&D, Production, Sales and Services together. The company's main products: all kinds of water pump inverter, solar photovoltaic inverter, general purpose vector control inverter; Variable Frequency pump, integrated intelligent water supply system, smart pump house and solar pumping system, etc. With software and hardware integration, intelligent control and remote monitoring platform combination, customize a variety of water pump energy saving control system for customers .Product IntroductionB6031I series products is specifically designed for deep well submersible pump, Some models controller can be set the parameter selection to control single-phase or three-phase pumps. A variety of special features: Single-phase, three-phase selection,Running automatically when power on,Sleep down when have no water consumption,The water-level of deep well and upper reservoir auto controlling,The water-level of deep well auto controlling and constant pressure water supply,Various of water supply fault alarm function,Many fault protection function. Fault and Trouble ShootingFault CodeFault TypeReason SolutionLPLow water pressureAbnormal sensor;Motor rotates in the reverse direction;Insufficient water inflow;There is air inside the pumpCheck the installation of pressure transmitter;Check the motor whether rotates in right direction;Check the parameter b00.09 (setting value too big);Check the pump whether is vent out the air insideHPHigh water pressureAbnormal sensor;The parameter b00.08 setting value is too smallCheck the installation of pressure transmitter;Check the parameter b00.08 (setting value too small)E022Sensor faultPressure transmitter disconnected;Wrong pressure transmitter wiring;Pressure transmitter short circuit;Pressure transmitter break down Check the cable between pressure transmitter and controller;Check the sensor whether is normalA033Water shortage faultNo water in the deep wellWater-level sensors in the deep well is brokenCheck whether there is water in the deep wellCheck whether the water-level sensors is broken.Controller Running Fault and Trouble ShootingFault CodeFault TypeReasonSolutionE001IGBT Ph-U Fault (OUT1)Acc/Dec time is too short; IGBT module fault; Malfunction caused by interference; Grounding is not properlyIncrease Acc/Dec time;Check external equipments and eliminate interference;Ask supplier for supportE002IGBT Ph-V Fault (OUT2)E003IGBT Ph-W Fault (OUT3)E004Over-current When Acceleration (OC1)Acc time is too short;Low input voltage;The power of controller is smallProlong Acc time;Check the power supply;Select bigger power controllerE005Over-current When Deceleration (OC2)Dec time is too short;Load is too heavy;The power of controller is smallProlong Dec time;Increase braking unit;Select bigger capacity controllerE006Over-current When Constant Speed Running (OC3)Sudden change of load;Low input voltage;The power of controller is smallCheck the load;Check the power supply;Select bigger capacity controllerE007Over-voltage When Acceleration (OV1)High input voltage;Regenerative energy from the motor is too largeCheck the power supply;Avoid to restart the motor until it stop running completelyE008Over-voltage When Deceleration (OV2)Dec time is too short;Load is too heavy;High input voltageIncrease Dec time;Increase braking unit;Check the power supply E009Over-voltage When Constant Speed Running (OV3)High input voltage;Load is too heavyInstall input reactor;Increase braking unitE010DC Bus Under-voltage (UV)Low input voltageCheck the grid's input power supplyE011Motor Overload (OL1)Low input voltage;Wrong setting of motor parameter;Motor locked-rotor or sudden big change of load to small load;The power of motor is too smallCheck the power supply;Set the rated current of motor properly;Check the load, adjust the value of torque boost;Select proper power motorE012Controller Overload (OL2)Acc time is too short;Restart the motor when it is decelerating;Low input voltage;Load is too heavyProlong Acc time;Avoid to restart the motor until it stop running completely;Check the power supply;Select bigger capacity controllerE013Input Phase Failure (SPI)Open-phase occurred in power supplyCheck the wiring, installation and the power supplyE014Output Phase Failure (SPO)Open-phase occurred at output side of main circuitCheck the output wiring, cable and motorE015Rectify Overheat (OH1)Sudden over-current;Input/output side has short circuit;Cooling fans of controller stopped or damaged;Ambient temperature is too high;Wires or connectors of control board are loose;Auxiliary power supply unit is damaged or low driving voltage for IGBT;Power module bridge is damaged;Control board is abnormalRefer to measures of over-current;Check the wiring;Replace cooling fans;Decrease the ambient temperature;Check and reconnect;Ask supplier for supportE016IGBT Ove