Frick 640D0186H01, KEYPAD, QUANTUM LX

Quantum Keypad Front Panel allows the user to enter information into the controller.The keypad consists of two areas, the display window and the keypad itself. The display window is simply a clear portion of the keypad assembly which the display is able to be viewed through.KEYPAD TROUBLESHOOTING:The Keypad area consists of a series of 27 membrane switches. Depressing each switch (key) should result in  an  audible  tactile  clicking  sound.    To  ensure  that  each key is actually functioning:Quantum 4: Visually inspect the D8 LED located on the control board. This LED will normally flash on and off at a rate of about once-per-second. Pressing a key on the keypad will interrupt this flash rate, and repeatedly depressing a key will cause the LED to flash each time a key is pressed.Q5: Visually inspect the D6 (Active) LED located on the Q5 Interface board. This LED will normally flash on and off at a rate of about once-per-second. Pressing a key on the keypad will interrupt this flash rate, and repeatedly depressing a key will cause the LED to flash each time a key is pressed.