Pumps & Water Systems
E02: Motor overload or overcurrent
Grundfos MAGNA3-25
Safe preliminary checks permitted
Documented meaning
The drive or protector tripped on current.
Model variants covered: see the model record
Documented possible causes
- · Mechanical binding or debris in the impeller
- · Voltage or phase imbalance
- · Incorrect duty point
Safe preliminary checks
- · Record the trip history
Professional service required
- · Record the trip history
- · Do not restart repeatedly
- · professional_only
Stop and call a professional if you see
- · Burning smell, smoke, water on live parts or a tripped protective device
- · Unusual noise, vibration or a refrigerant leak