The Electronic Load's front panel should indicate between: 60501B: 33 volts and between 6 and 8 amps.
60502B: 33 volts and between 13 and 17 amps. The front panel Prot annunciator should also be on.
e.Press 
to display " − − OP", indicating that an overpower condition exists and the Electronic Load is in power limit.
f.Let the Electronic Load continue running. Within three minutes the Electronic Load should turn its input off, and the display should show ''PS − − OP'' indicating protection shutdown. IF THE OVERPOWER CIRCUIT DOES NOT TURN THE LOAD OFF WITHIN THREE MINUTES, STOP THE TESTS AND TROUBLESHOOT THE OVERPOWER CIRCUITS.
g.Immediately press 
. The ''PS'' display should blink and the input will remain shut down, indicating that protection shutdown is latched.
h.Wait approximately one minute and press 
again. This time the load should turn on with only ''OP" displayed.
i.Reduce the power source output to 20 volts. The display should change to "− − −" indicating that the protection shutdown and overpower conditions are cleared.
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