The answers you need, when you need them
Access our self-service tools to search out a wide range of instant information on prices, availability, pump replacements and more.
Find quick and direct information for your projects
Look for how to guides here to find quick and easy guidance and support for all phases of your project. Discover a range of online engineering, installation and operation tools and up-to-date pump design information that can assist you in your work today, and help you work smarter over the long run.
Get answers to your questions
We have gathered frequently asked questions and their answers in one place. See the most frequently asked questions below or go to the Grundfos FAQ for a complete list of answers to your questions.
Why does E1 appear on the operating panel’s watt display on ALPHA1 or ALPHA2, and what is the remedy?
Possible cause of the fault
The rotor is blocked
Remedy
Try to remove deposits by lightly tapping on the pump
Shut off the pump on the medium side, remove the pump head and remove deposits (Such work must only be performed by a specialist company)
Why does E3 appear on the operating panel’s watt display on ALPHA1 or ALPHA2, and what is the remedy?
Possible cause of fault
Electrical fault
Remedy
Have the pump replaced by a specialist company
Why does E2 appear on the operating panel’s watt display on ALPHA1 or ALPHA2, and what is the remedy?
Possible cause of fault
Insufficient supply voltage
Remedy
Have supply voltage checked by a specialist company
Service videos
Let our experts guide you through the installation, repair and maintenance of your Grundfos pump. Simply go to the product page for your pump, tool or accessory to view the service videos we have collected to help you optimise performance.
The answers you need
- when you need them!
The 24/7 self-service tool allows you to access answers to a wide range of questions, such as:
- Product availability
- Replacement pumps
- Spare part finder
- Order status and more.
Prompt and reliable service wherever you are
With Grundfos service centres in more than 50 countries throughout the world, supplemented by more than 600 authorised Grundfos Service Partners, we’re never far away. If required, we ensure you get emergency access to service personnel as well.