F8914
User Manual
Xiamen Four-Faith Communication Technology Co.,Ltd.
Page 26 of 26
Add
：
J1-J3,3
rd
Floor,No.44,GuanRiRoad,SoftWare Park,XiaMen .China
http
：
//www.four-faith.com
Tel
：
+86 592-6300326 6300325 6300324
Fax
：
+86 592-5912735
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)
