Products > Test Equipment

Kunkin KP184 electronic load : "fixing" an manufacturer issue

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interflexo:

--- Quote from: interflexo on April 25, 2020, 10:21:15 am ---My tested unit has warranty seal dated 16 Nov 2019, PCB VER.03, MOSFETs IRFP250M (P820J) dated from 2008 and no C58 capacitor soldered.

--- End quote ---

I tested a unit bought in 2020 that came without the capacitor installed from factory.

voltlog:
Please note that date of purchase is not all that relevant as most sellers on ebay and aliexpress are probably selling older stock. A good indicator is the revision of the mainboard and/or the warranty sticker, in my case it is REV.04 with warranty sticker of FEB 2020, as far as I can tell this might be the newest revision Kunkin makes.

Falkra:
Thank you.  :)

TSCOLAN:
Hi,

In case somebody have the Kunkin KP182, the board is the same, and the fix woks also.

Thomas

ScoobieSnax:
Hi,
my kp184 is a VER.01 bought on Ebay in July 19. I had the same ripple current and i applied the cap removing saw in the cyrob (aka PhilDem) video, ripple current is almost gone. Maybe i'll resolder a 10nF later.
But the most annoying with my model is the voltage measurement who stops without reasons (as described in the calibration procedure pdf - page 4). I have the same problem as Voltlog with the kunkin mailbox (Connection timed out), so i can't describe the problem to Kunkin |O. I don't even know if there is a solution to solve this problem.
Does anyone have the same bug ?

Thony

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