Instruction manual

STP-200/300/400 Series Instruction Manual
15 Troubleshooting
If an abnormality/error is found when using the STP pump, check it and take
measures in accordance with the following procedures.
If you cannot trace it or if the STP pump does not function normally after
troubleshooting, fill in the necessary information in the "Malfunction
information" and fax it to Service office.
◇ After making sure that the STP pump stops thoroughly, and always
turn OFF the primary power (Switch the breaker "OFF"), check
probable causes and remove them.
15.1 Troubleshooting Immediately after an Abnormality/Error Occurs
1) In case the "FAILURE" lamp lights due to an overload of the inverter or the
"EMERGENCY OPERATION" lamp lights due to excessive vibration:
Confirm that the STP pump stops thoroughly (that the ROTATION meter
deflects to full-scale in the red), and perform the POWER OFF operation.
The "FAILURE" or the "EMERGENCY OPERATION" lamp goes out. Then,
restart the STP pump and check if it operates correctly.
2) Other Cases:
Confirm that the STP pump stops thoroughly (that the ROTATION meter
deflects to full-scale in the red), and remove the probable causes of the
abnormality/error. Then, restart the STP pump and check if it operates
correctly.
15-1