Calibration and Troubleshooting 
 
7-26  M370430-01  Rev F 
Emergency Shutdown 
In an emergency, carry out these steps: 
1.  Shut the power supply OFF immediately. 
2.  Disconnect the mains supply. 
3.  Disconnect the power supply from the load. 
Unusual or Erratic Operation 
If the power supply displays any unusual or erratic operation, 
follow these steps: 
1.  Shut the power supply OFF immediately. 
2.  Disconnect the power supply from the load and external 
programming. 
3.  Test the power supply with no load, running the tests in “Step 
5: Performing Functional Tests” on page 2-10. 
4.  If the tests show that the power supply is functioning 
normally, check all load, programming, and monitoring 
connections and circuits. 
5.  Check the AC input for correct voltage and frequency. 
If the problem is not solved after you have followed this procedure, or if 
the unit fails to operate correctly upon retesting, call your service 
technician.