SAMSys MP9320, User Manual

Page: 45 / 66

Troubleshooting
37
Symptom Probable Cause Corrective Action
No LEDs or
buzzer during
power up. Power supply
malfunction. Ensure power supply is
inserted into wall outlet. Verify
correct operating voltage at
outlet.
Replace Power Supply.
Reader software is
corrupt. Replace reader.
Reader appears
to lock up. Readers are
vulnerable to high
ESD pulses. As a
result, the reader
can lock up. Disconnect the power from the
reader and reconnect. The
reader should reset. If the
reader does not function
normally after reset, replace
the reader.
Any LED fails
and buzzer
alarms during
power up. Suspect LED bad. Reader may operate normally
with one or more bad LEDs,
but the reader should be
replaced as soon as possible.
Reader board
failure. If reader does not read or write,
replace the reader.
No buzzer on
power up. Buzzer malfunction. Reader may operate normally
without buzzer, but the reader
should be replaced as soon as
possible.
Reader board
failure. If reader does not read or write,
replace the reader.
Reader software is
corrupt. Replace reader.
No buzzer when
reading a tag. Buzzer malfunction. Reader may operate normally
without buzzer, but the reader
should be replaced as soon as
possible.
Reader board
failure. If the reader does not read or
write, replace the reader.
Reader software is
corrupt. Replace reader.