RAK4270 - ERROR 80

Issue: When the RAK4270 receives an ADR command from the server sometimes reports ERROR 20

Setup: EU868

Server:

Details:
A payload is sent from the RAK4270 every 15 minutes.

After 20 payloads the RAK4270 receives an ADR command from the server and the RAK4270 generates an ERROR 80

Payload 1
OK Wake Up
*** WAKE UP Confirmed ***
at+send=lora:1:070ddf0100c2022a0604a735000734002c42008943006e4400d41C6913
*** UPLINK COMPLETE - NO DOWNLINK ***
at+set_config=device:sleep:1
OK Sleep
*** SLEEP Confirmed ***

Payload 20 - (ADR Sent by Server)

at+set_config=device:sleep:0
OK Wake Up
*** WAKE UP Confirmed ***
at+send=lora:1:070ddf0100c4022b06052b35000734003642008b4300794400cf1C68e7
*** UPLINK COMPLETE - NO DOWNLINK ***
at+set_config=device:sleep:1
ERROR: 80

The RAK4270 does not process the ADR correctly !
and generates ERROR 80 after sleep command

What exactly is ERROR 80 and how should it be processed ?

Thank You

Hi Paul,

What is firmware version of RAK4270 on your devices? The ERROR: 80 is related to LoRa transceiver and we implemented fix on the latest version for the firmware. If your firmware is not yet v3.3.0.18, it might be a good to do an update. Btw, how did you identify that it is ADR related? Also, when you issue another at+set_config=device:sleep:1, does it sleep or it is permanently showing ERROR: 80 as reply?