Power optimization question: LBS example on nRF52DK_52832

Hi, 

I started the LBS example on the nRF52DK_52832 kit and connected the PPK2 kit to the P22 pins for measuring power consumption. I am not sure if I did something wrong or if the kit is damaged, but the consumption is quite high. I replaced all prints with LOG_ via RTT and for measuring power consumption I set CONFIG_LOG=n in prj.conf.

After flashing, the PPK2 shows consumption as in the picture - AVG = 1.4 mA. Is that too much? How can I reduce it?

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