Xiamen Four-Faith Communication Technology Co. Ltd. F8L10D-N 用户手册
F8L10D-N LoRa Module User Manual
Page 33 of 33
Add：11th Floor, A-06 Area, No.370, Chengyi Street, Jimei, Xiamen, Fujian, China.
A2 FAQ
FAQ1：Configure parameters fail
Solution: Please check the serial port number and the property of the serial ports, such
as baud rate, parity.
FAQ2：With right parameters，but add network fail
Solution：First Check that the antenna installation was OK. Then check the network
parameters were correct,such as pan id, node address, physical channel. If everything is
all right, try to factory the device,then add network and send data.
FAQ3：In network，but send data fail
Solution：Please check the distance of the two device, make sure the distance is greater
then 20 cm. Then confirm that the way of send data is right in the current work mode(eg.
AT+TXA or AT+TXH on AT work mode). Please refer to the chapter 4.4.21 和 4.4.2.22
FAQ4：Can not enter sleep
Solution：1. On timer sleep mode, if the sleep time and awake time is 0, then the device
will not enter sleep.
2. On deep sleep mode. Please check the sleep control(SLEP_REQ) pin’s wire splice is
OK and the control level is OK(high level make device sleep, otherwise awake)