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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 (6060B) or 35 volts (6063B). The display should change to "− − −"
indicating that the protection shutdown and overpower conditions are cleared.