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Appendix E - Error Messages
This appendix describes the various error conditions that can occur in the power supply. There are two groups of error
conditions; first, errors that involve exceeding of limits set by the operator or that are hard programmed into the unit, second,
errors involving a failure within the power supply.
The first group of errors – errors caused by limits set by the user or the factory are described below:
The "OVERCURRENT TRIP" error is caused by exceeding the current set by the "OCP SET" command. If the current limit value
is set to below the "OCP SET" value this condition will rarely if ever occur. If the "OCP SET" value is below the current limit
value then this condition will occur whenever the load resistance is low enough to allow the set value to be exceeded without
going into voltage. To reset the power supply simply press the Output On/Off button.
The "OVERVOLTAGE TRIP" error is caused by exceeding the voltage set by the "OVP SET" command. If the voltage limit value
is set to below the "OVP SET" value this condition will rarely if ever occur. If the "OVP SET" value is below the voltage limit
value then this condition will occur whenever the load resistance is high enough to allow the set value to be exceeded without
going into current limit. To reset the power supply simply press the Output On/Off button.
The "OVERPOWER TRIP" error is caused by exceeding the power set by the "OPP SET" command. To reset the power supply
simply press the Output On/Off button.
The "OVER TEMPERATURE" error is caused by exceeding the maximum operating temperature of the power supply. To reset
the power supply simply press the ENABLE button. If the power supply is within its temperature limits when the Output On/Off
button is pressed the supply will return to normal operation. If the supply is still outside its operating limits the error will persist.
If this error reoccurs after a cool down period check to be sure that there is at least one inch of clearance around all the vents.
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