# ST P-Nucleo-LRWAN2 stopped working

**URL:** <https://www.thethingsnetwork.org/forum/t/st-p-nucleo-lrwan2-stopped-working/43127>\
**Category:** Uncategorized\
**Created:** [January 22, 2021, 11:40am UTC](https://www.thethingsnetwork.org/forum/t/st-p-nucleo-lrwan2-stopped-working/43127 "2021-01-22T11:40:25Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![DashCanTtn](https://www.thethingsnetwork.org/forum/user_avatar/www.thethingsnetwork.org/dashcanttn/32/35697_2.png) [@DashCanTtn](https://www.thethingsnetwork.org/forum/u/DashCanTtn)\
**Post date:** [January 22, 2021, 12:22pm UTC](https://www.thethingsnetwork.org/forum/t/st-p-nucleo-lrwan2-stopped-working/43127/5 "2021-01-22T12:22:49Z")

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The above-mentioned post links to:

> [@Only activation, No uplinks downlink,ack received on TTN Console](https://www.thethingsnetwork.org/forum/t/only-activation-no-uplinks-downlink-ack-received-on-ttn-console/20867/17):
>
> This is likely a case of getting lucky in randomness, or at most a complete transmit failure. Gateway timing would be unlikely to be at fault, as the downlink RX1 for a join is quite long after the uplink - there is plenty of time. Please be careful not to mix up the terms uplink and downlink however - what you are calling uplinks are actually downlinks. Uplinks are node to network, downlinks are network to node. Additionally a RAK831 is just a concentrator card. If something is going wron…

One thing noted there is to keep the Device \>8 feet from the gateway.  
Mine was under 1 foot, but moving it \>12 feet away has made no difference:

(screenshot upload failed again)

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