User's Manual

User manual
Guangzhou Andea Electronics Technology Co., Ltd. 34/39
http://www.gzandea.com
Figure 41 System error flag
Table 9 Description of system error flag
No.
Error Flag
Description
0
Temperature alarm
The operating temperature of the reader is too
high.
1
RF power protection
Voltage standing wave ratio is too high
2
Antenna error
Antenna parameter configuration error or offset
3
Antenna circuit protection
The antenna interface is configured output with
electricity , which is inconsistent with the actual
antenna
4
RF configuration failed
RF configuration failed
6.3.2. Standing-wave Ratio
When the device reading tag is unstable, you can check the standing wave ratio of
the antenna used to check whether the value is normal.