Brand: STERWINS
Category: Gardening Equipment
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for 1000 DW-4
Uploaded: April 20, 2026, 8:01 p.m.
Manual Publish Date: 2019-11-01
Warranty Information
This product comes with a 3-year warranty covering manufacturing defects under normal use.
Pump Operation: The pump works by increasing fluid pressure in the discharge pipe. Fluid enters the pump, its velocity increases due to centrifugal forces, creating discharge pressure. Fluid then flows out the pump's outlet. The float switch automatically starts and stops the pump based on water level. Ensure the pump is fully submerged for proper operation.
Troubleshooting and error codes
| Problems | Possible Causes | Solutions | Qualification Required |
|---|---|---|---|
| The pump does not start. | No electrical current. The float switch is in the low position (current disabled). The float mechanism is blocked. | Ensure the electrical current is active. Raise the float. Check water level. | No qualification required |
| The pump does not drain. | The suction pipe is blocked. The outlet pipe is blocked - The turbine is blocked. Air bubble present. | Clean the suction pipe. Dismantle the base and clean the turbine. Tilt the pump to expel the air bubble, then return it to a vertical position. | No qualification required |
| The pump does not stop. | The float is blocked in the high position - The float mechanism is blocked. | Check that no object is blocking the float and return the float to the low position. Shake the float. | No qualification required |
| The flow rate is not adequate | The diameter of the drain pipe is not suitable. The suction pipe is blocked. The outlet pipe is blocked - The turbine is blocked. | Replace the tube (a 40 mm tube is recommended). Clean the pipe or suction pipe - Dismantle the base and clean the turbine. | No qualification required |
| The pump stops for a brief moment | - Usage instructions were not followed - The motor automatically switches to safety position - The pipe is not suitable - The water is too hot. The overheat protection device stops the pump. | - Check the immersion depth. Replace the pipe following the usage instructions - Check that the water temperature remains below 35 °C. | No qualification required |