Problem Resolution
Display is lit but shows no characters or
characters are faint or blurry.
Adjust the display contrast
Make sure protective film has been removed from display.
Clean the outside of the controller, including the display screen.
Controller will not power up, or powers up
intermittently
Make sure the AC power connections are properly terminated in
the controller.
Make sure the power strip, line power, wall plug are all properly
plugged in.
Contact Technical Support
Network or sensor module not recognized
Make sure the module is properly installed.
Make sure the module selector switch is set to the proper
number.
Remove sensor module and install the module into the second
analog slot. Apply power to the controller and allow the controller
to perform a device scan.
Contact Technical Support.
Sensor not recognized
1ote ([aPple of possiEle display Pessage
If the sensor is an analog sensor and a corresponding module is
installed in the controller, refer to the instructions supplied with
the Network or Sensor Module.
Make sure the digital connector wiring harness is seated on the
inside of the door assembly and that the wiring harness is not
damaged.
If the digital sensor is connected to the controller with a digital
termination box, user supplied junction box, digital extension
cables, or a user-supplied extension cable, connect the sensor
directly to the controller and perform a device scan. If the
controller recognizes the sensor, check that all the wiring in the
junction boxes or extension cables is correct.
Make sure that only two sensors are installed in the controller.
Although two analog module ports are available, if a digital
sensor and two analog modules are installed, only two of the
three devices will be seen by the controller.
Contact Technical Support
Device Missing error message appears
Perform a Device Scan from the Test/Maintenance menu.
Power cycle the controller
28 (nglisK
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