Brand: GRUNDFOS
Category: Water Pump
Manual Type:
Language:
Manual for UPS3 15-50/65 - Troubleshooting and error codes + PDF Download
Uploaded: April 8, 2025, 1:42 p.m.
Manual Publish Date: 2018-03-14
Warranty Summary
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The GRUNDFOS UPS3 15-50/65 water pump is designed for circulating liquids in heating systems. Operation involves:
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- Installation: Mount the pump horizontally, ensuring correct flow direction as indicated by arrows on the housing. Connect electrically according to local regulations. \n
- Startup: Fill and vent the system before starting the pump. Select the desired control mode (constant curve, proportional pressure, or constant pressure) using the operating panel. \n
- Control: The pump can operate in various modes to optimize performance based on system demands. Modes can be set via the push-button on the operating panel and indicated by LEDs. \n
Troubleshooting and error codes
| Status | Fault | Display | Solution |
|---|---|---|---|
| Alarm | The pump stops. The pump is blocked. |  |
Deblock the shaft. See section 9.1 Deblocking the shaft. |
| Warning | The pump keeps running. The supply voltage is low. |  |
Make sure that there is sufficient voltage supply to the pump. |
| Alarm | The pump stops. Electrical error. |  |
Replace the pump and return the pump your supplier. |