User Manual—Version 3.0 Tunnel Master
Jr. Trouble Shooting
January 2016 89
CHAPTER 8:
TROUBLE SHOOTING
System Diagnosis
The following diagnostic procedures are provided for use only when the ICS
Tunnel Controller System has stopped responding or is not functioning. If
you determine after reviewing the diagnostic procedures the system is
malfunctioning, write down the specific conditions and contact
ICS technical support:
800-246-3469
Entrance Keypad
B
efore examining the ICS Tunnel Master
Jr. Relay Box Controller, a test should
be performed at the Entrance Keypad to ensure that it is functioning
properly. Press the AC (All Clear) key located in the lower right corner of the
numeric keyboard two or three times while there are no
cars in or near the
gate switch. Now press any of the numbered service buttons on the keypad.
The indicator light should turn red as soon as the service button is pressed.
Check the Power light in the upper right hand corner of the keypad to verify
that it is
lit. If the light is not lit then the keypad is not receiving power from
the ICS Tunnel Master
Jr. Relay Box Controller.
Check the Logic light in the upper right hand corner of the keypad. This light
should be blinking indicating that the system processor is functioning.
Check the Data light in the upper right hand corner of the keypad. This light
should
be blinking indicating that the keypad is communicating with the ICS
Tunnel Master
Jr. Relay Box Controller.
Wash Controller Response
At the Controller Relay Box verify that there is a read out on the display at the
top of the relay box. If not, the relay box may not have power.
Check the +5V DC light located in the upper
left corner of the relay box
display panel. This light should be lit at all times to verify that the controller
has power.
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