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Hall Research Technologies, Inc.
4.0 Maintenance and Troubleshooting
4.1 Maintenance
The matrix will flash the CHECK button LED constantly if one of the following
conditions occurs:
•
RTC Battery Voltage is below 2.4V
•
+5V Supply is outside of normal operating range 4.5V – 5.5V
•
+12V Supply is outside of normal operating range 10.8V – 13.2V
•
System temperature is exceeding 122
°
F (50
°
C)
If the battery needs changing, please contact Hall Research (during the warranty
period).
Caution High-Voltage
Never open the unit’s cover. Lethal voltages exists inside the unit
Opening the unit also voids your warranty.
If there is a problem with the 12 or 5v supplies, you need to return the unit for
repair. Please see next section. If the temperature is excessive in the unit, you
must make sure that there is adequate air flow around the unit.
4.2 Troubleshooting
Make sure that all your connections are solid, and check the state of the LED’s on
the front of the unit. Do not open or try to repair the unit yourself. There is no
customer repairable item in the unit and you will void your warranty.
Contact Hall Research Technical Support at 714-641-6607 or via email or web. If
you need to ship your matrix switch for repair, make sure to get a Return Material
Authorization (RMA) number first.
