User's Manual

29 
Chapter 4: Fault Diagnosis
This chapter introduces the solutions, service information and
repair issue of devices malfunction and abnormal situation.
4.1 User-solvable Problem
Table 4-1 lists some user-solvable problems regarding the radio
frequency identification system composed of reader and
electronic tag.
Table 4-1 Fault diagnosis for XCRF-500 reader series
Problem Likely cause Solution
The power supply
indicator doesnt
light up after the
reader is switched
on.
The socket of AC
junction box
malfunction.
Apply another AC
electrical appliance
such as a bulb to the
socket to see if it
works. If not, please
check out the power
supply or replace the
socket.