Troubleshooting Guidelines In Case Any Fault Is At The Load Side - Siemens RAJA+ Installation, Maintenance & Troubleshooting Manual

Installation, Maintenance & Troubleshooting guide | Version 02
2.8: Troubleshooting Guidelines in case
any fault is at load side
Steps to be followed
Thermal overload relay provide protection from:
a) overload condition at Motor
b) single phasing at load side
a) overload condition at Motor: check the suitable Motor current rating and adjust the overload relay setting
dial as per the requirement.
b) Single phasing at load side – Overload relay tripped as inbuilt feature to protect from single phase faults.
Check the single phasing condition at Motor side terminal TB2,TB3 to Motor.
For both conditions restart the Starter after proper reset time of approx. 4 min.
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