Applicable Systems
MAGNA1
Symptoms
Overvoltage. The supply voltage to the pump exceeds the rated maximum.
Possible Causes
- Power supply voltage too high
- Voltage regulator or tap setting incorrect
Troubleshooting Steps
- Step 1: Check the supply voltage at the pump terminals
Voltage exceeds the rated maximum - Step 2: Install or adjust a voltage regulator
Voltage is stabilized within range
How to Reset
To reset: Restore the voltage to within range, then reset the controller.
Source: Grundfos Pump Troubleshooting Guide, Grundfos Group
Category: Pump