User's Manual

MP9320 V2.8 User’s Guide
28
General Troubleshooting
SAMSys readers are designed, manufactured, and tested to provide many years of trouble-
free service. However, in the event of a reader malfunction or failure, refer to the
following troubleshooting instructions to help identify and correct the problem.
Warning - Electric Shock Hazard
The following procedures may involve AC voltage. Use extreme caution when measuring
voltage or installing cables and power supplies. Serious injury or death may occur if
proper precautions are not observed.
Caution - ESD
The following procedures involve electrostatic discharge sensitive components. ESD
protection is required. Damage to the reader can occur if proper ESD equipment such as
grounded wrist straps and ESD protected work surfaces are not used.
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.