Pumps & Water Systems
E04: Service or venting due
Grundfos SE-2
Safe preliminary checks permitted
Documented meaning
The controller logged a documented service interval.
Model variants covered: see the model record
Documented possible causes
- · Interval reached
- · Seal or bearing wear
- · Air venting needed
Safe preliminary checks
- · Book the service
Professional service required
- · Book the service
- · Log it in the equipment history
- · safe_checks_permitted
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