#Grundfos scala 2 troubleshooting how to

Action is only needed if the heating system is underheating or delivering discomfort. It means that the voltage provide in the grid is too low which results in the pump not performing as expected. On the UPSe pump it is displayed with the LED flashing twice. The under voltage warning can be identified on the Alpha pump by a yellow eye light and the value E2. To remedy this alarm, consider checking the system for impurities and remove any that may be found.

While on the UPSe pump it is displayed by the red LED flashing once. On the Alpha pump this is shown as a red eye light and the value E1. The pump blocked alarm will stop the pump. You will need to make sure that there is sufficient liquid in the system. If the pump fails to restart after several tries, it means the system still contains too much air. The pump will try to restart a certain number of times to detect if water has returned. If the pump runs without water, the dry run protection feature will stop the pump automatically to prevent damage. Whereas on the UPSe pump it can be identified by the red LED flashing four times. On the Alpha pump the dry run alarm can be indentified by a red eye light and the value E4 on the display. Let’s take a closer look at some specific warnings and alarms. Pump running but attention may be needed. The Alpha and UPSe pump displays can show a yellow or red LED light: YELLOW means warning. Alpha and UPSe pumps have been designed with intuitive troubleshooting, warning, and alarm functions to help you quickly and easily identify and overcome pump problems. A lack of heat often leads to call backs and identifying the problems can be a long process which you may not be able to invoice. When a pump problem occurs, troubleshooting can be time-consuming. It will cover specific warnings and alarms and provide you with the knowledge required to help diagnose issues.

#Grundfos scala 2 troubleshooting how to

In this module, you will gain practical insight into how to interpret troubleshooting issues.