Table of Contents
Advertisement
6
ERROR AND TROUBLESHOOTING
If pump failure occurs, the error causing the failure will appear in the display screen.
Errors on the screen are identified as:
E
Error marking
X
Error group
Y
Service code
Error group
Error description
1
Low load detected
2
Motor overload
3
Motor too hot
4
Electronics error
5
Motor/stator failure
The service code (Y) is intended for service personal.
If the pump is unresponsive, disconnect and connect it back to the electrical grid.
7
FAULT FINDING
7.1 ERROR CODES
The following codes will show up on display panel and on the appropriate Modbus registers to help you
diagnose the cause of improper operation.
E X Y
Possible cause and solution
There is no medium in the pump. Check if there is medium in the system.
Excessive current load or blocked rotor. If the issue persists, check if the
rotor is spinning freely.
Motor has exceeded allowed temperature and is now stopped to cool
down. Once cooled, it will automatically restart.
An electronics error was detected. The pump can still operate, but needs
servicing.
There could be an interruption in the motor winding. Pump needs servicing.
19
Advertisement
Table of Contents
