Applicable Systems
MAGNA1
Symptoms
Flow rate low. The flow rate is below the warning threshold.
Possible Causes
- Pump wear or blockage reducing flow
- System demand too low or valve restricted
Troubleshooting Steps
- Step 1: Check the flow rate and pump operation
Flow is below the warning threshold - Step 2: Inspect for blockages or adjust the valve
Blockage is cleared or valve is adjusted
How to Reset
To reset: Fix the blockage or valve, then reset the controller.
Source: Grundfos Pump Troubleshooting Guide, Grundfos Group
Category: Pump