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Updated Troubleshooting Guide (markdown)

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Jan Gromeš 2025-07-12 21:01:04 +02:00
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Troubleshooting-Guide.md

@ -10,8 +10,8 @@ We also have an online [Status Code Decoder](https://radiolib-org.github.io/stat
| Unable to initialize radio | -2 or -16 | [Incorrect SPI interface](https://github.com/jgromes/RadioLib/wiki/Troubleshooting-Guide#incorrect-spi-interface), bad pinout, bad/unreliable connections |
| Transmit timeout | -5 | End of transmission is signalled by an interrupt signal, and this error means that signal did not arrive in the expected time window. Check your pinout and/or wiring. |
| Receiver timeout (no LoRaWAN) | -6 | [Blocking receive mode](https://github.com/jgromes/RadioLib/wiki/Troubleshooting-Guide#receiver-timeout) |
| SX126x/8x failed to initialize | -706 or -707 | [Incorrect oscillator selected](https://github.com/jgromes/RadioLib/wiki/Troubleshooting-Guide#sx126xsx128x-incorrect-oscillator) |
| LR11x0 failed to initialize | -705 | [Incorrect oscillator selected](https://github.com/jgromes/RadioLib/wiki/Troubleshooting-Guide#sx126xsx128x-incorrect-oscillator) |
| SX126x/8x failed to initialize | -706 or -707 | [Incorrect oscillator selected](https://github.com/jgromes/RadioLib/wiki/Troubleshooting-Guide#sx126xsx128xlr11x0-incorrect-oscillator) |
| LR11x0 failed to initialize | -705 | [Incorrect oscillator selected](https://github.com/jgromes/RadioLib/wiki/Troubleshooting-Guide#sx126xsx128xlr11x0-incorrect-oscillator) |
| ESP32/ESP8266 interrupts do not work | N/A | Missing `IRAM_ATTR` from user-provided interrupt service routine. This is a property of the ESP32/ESP8266 architectures when using Arduino and has nothing to do with RadioLib, see [espressif's documentation](https://docs.espressif.com/projects/esp-idf/en/stable/esp32/api-guides/memory-types.html#iram-instruction-ram). |
| No downlink after LoRaWAN uplink | -1116 | Not all uplinks to LoRaWAN server result in a downlink. This is not a problem, but rather a common behavior in LoRaWAN. |
| Output power lower than configured | N/A | Overcurrent protection is likely set to the default value (change it by `radio.setCurrentLimit()`). This can also be caused by insufficient power supply. |