Tektronix 2467B (similar to 2465B): Error Message TEST 04 FAIL 13 (3453)

Hi,

i am owning an Tektronix 2467B. Maybe someone can give me some advice, please. The 2467B shows following message: TEST 04 FAIL 13 (3453) I have got the complete service manual, but it says something like "Option Error" ??? (The scope includes Option 10 and 11.)

If i delete the error message by pressing the A/B tigger button, the device works, but it has a awful DC-Offset on all channels (which varies with the V/div- selection).

Best regards from Berlin

Harald

Reply to
tek_user
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You should ask this in sci.electronics.repair. There's a fellow who posts there who used to work for Tektronix. (sci.electronics.repair added)

Reply to
JW

JW schrieb:

Well, we also read here :)

Looks like a problem in the calibration constants, stored in the NVRAM A "TEST 04 FAIL 13 " condition means according to my manauls a "bad checksum in the NVRAM".

If the NVRAM is ok, than this error can be corrected by doing the calibration procedure (all steps mentioned in the handbook) and storing the constants in the last step into the NVRAM.

hth, greets from Stuttgart,

Andreas

Reply to
Andreas Tekman

Andreas Tekman schrieb:

Ah , sorry, noticed the follow up too late.

Andreas

Reply to
Andreas Tekman

Hei Andreas,

kannst Du mir bitte Deine E-Mail-Adresse mitteilen ? (Die hier im Forum hinterlegte funktioniert leider nicht.)

Gruss

Harald

Andreas Tekman schrieb:

Reply to
tek_user

tek_user schrieb:

Nicht leider, sondern das ist von mir so gew=FCnscht und beabsichtigt.

Reply to
Andreas Tekman

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