7: Troubleshooting FAQs Model 2470 High Voltage SourceMeter Instrument
7-4 2470-900-01 Rev. A / May 2019
Why am I getting a 5074 event code?
The instrument provides an interlock circuit on the rear panel. You must enable this circuit in order for
the instrument to set source voltages greater than ±42 V DC. If you try to assign a high-voltage output
and turn the source on when the interlock is not asserted, you see event code 5074, "Output voltage
limited by interlock."
The 2470 is provided with an interlock circuit that must be positively activated in order for the
high voltage output to be enabled. The interlock helps facilitate safe operation of the
equipment in a test system. Bypassing the interlock could expose the operator to hazardous
voltages that could result in personal injury or death.
If the safety interlock is not asserted and the source is turned on, the following actions occur:
• The nominal output is limited to less than ±42 V.
• The front-panel INTERLOCK indicator is not illuminated.
To recover from this error, properly engage the interlock using a safe test fixture before turning on the
2470 output.
How do I save the present state of the instrument?
You can save the settings in the instrument as a script using the front-panel menus or from a remote
interface. After they are saved, you can recall the script or copy it to a USB flash drive.
From the front panel:
1. Configure the 2470 to the settings that you want to save.
2. Press the MENU key.
3. Under Scripts, select Create Setup.
4. Select Create. A keyboard is displayed.
5. Use the keyboard to enter the name of the script.
6. Select the OK button on the displayed keyboard. The script is added to internal memory.
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