Xylem Bell & Gossett Ecocirc+ 20-18 Installation, Operation And Maintenance Manual page 32

7 Troubleshooting
LED status Error
Green None
30
Cause Remedy
Air in the pump 1. Check that the pump is not installed at the highest
2. Start the air purge process.
3. Wait for 3 minutes to complete the air purge process.
Cavitation 1. Do one of the following methods to decrease the
2. If the problem continues, replace the pump.
Unwanted materials in 1. Clean the pump.
the pump
2. If the problem continues, replace the pump.
Ecocirc+ 20-18 Installation, Operation, and Maintenance Manual
point of the system.
cavitation:
– Increase the system pressure according to the
working limits.
– Select a different operating mode.
– Decrease the head speed of the pump to decrease
the head