APT 00310XAC, Operation Manual

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7.4 OVP
– Output Voltage Protection
Displayed if the output voltage has exceeded 5 V of the setting voltage in the
0-150V range, or has exceeded 10 V of the setting voltage in the 0-300V range.
The LED indicator for the Test/Reset key will be blinking.
If an OVP error occurs on the next power up cycle on the displays will show
Volt Err.
7.5 A-SH
– Amplifier Shutdown Protection
Displayed if the amplifier is in an abnormal condition. The LED indicator for the
Test/Reset key will be blinking.
7.6 RCP
– Reverse Current Protection
Displayed if the power source detects negative current feeding back into the
source. RCP will trip when negative power exceeds 20W (310XAC), 40W
(320XAC), 89W (340XAC) and 120W (360XAC) of the instrument
’s power rating.
The LED indicator the Test/Reset key will be blinking.
7.7 LVP- Low Voltage Protection
Displayed if the power source detects a discrepancy between the output voltage
and the voltage setting of 10V or greater for more than 1sec. The LED indicator
the Test/Reset key will be blinking.
7.8 LCD-Fail - LCD Temperature Protection
Displayed if the LCD temperature has exceeded 40º C. This error will self-clear
once the power source has cool downed sufficiently to continue operations.