Dear all
I have a problem with my Keithley 6220 current source. The problem is front panel is very slow: when I press a key (any of them), it takes 5-10 seconds before any change on the display, after the bip.
Does anyone of you already noticed this kind of problem ? What is the reason and solution for this.
The other critical problem is, when I want to send an current in any sample or circuit, the blue light turns on and after few seconds, off (which means no current is produced) and I get the error message:
Error Message ID code 402. Interlock blocked.
But the user/Reference manual does not help me in understanding this.
Please help me in resolving this.
Hi, have the same problem. Did you find any other solution rather to send to the factory?
It is actually because of small problem in the board itself. I get it repaired by third party. They changed small IC like component on the board. If you go to keithley/Textronics service center, they charge like anything...... I paid just about 15000 indian rupee.
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