Electro Cam PS-6144 Series - Manual (Page 100)

7-2 Troubleshooting
Keypad Diagnostics
The keypad cannot be repaired in the field. If a unit fails, do not disassemble it.
Return it to the factory for replacement.
Keypad Fault LED If the Fault LED on the keypad lights, turn the controller off and back on. If the keypad
Fault LED does not go off, the keypad microprocessor has malfunctioned. Return the
keypad to the factory.
Keypad Diagnostics The 6400 Keypad includes a series of diagnostics that show the status of various key-
pad functions. To start the diagnostics, turn the controller off, then restart the controller
while pressing any key on the keypad.
_
When the COMM PORT diagnostic is run with keypad
terminals W, X, Y, and Z jumpered as shown, a string
of “plus” signs will scroll across the display. When
either jumper is removed, the scrolling will stop.
Figure 34—Keypad Communications Port Test Setup
Unique key ID# appears here when any key is pressed.
Keypad software revision #.
Keypad software revision date.
Keypad checksum.
15 REV 1.00
CS:024B 07APR94
Fault LED blinks ON one second, OFF one second.
Press up or down arrow to return to menu.
FAULT LED
1 = E1 jumpered; 2 = E2 jumpered.
Press up or down arrow to return to menu.
PROGRAM ENABLE
Shows keypad DIP switch address setting.
Press up or down arrow to return to menu.
ADDRESS SWITCHES
Tests communication.
Press up or down arrow to return to menu.
COMM PORT
Complete character set scrolls across both lines.
Press up or down arrow to return to menu.
DISPLAY
Displays unique key# for each key pressed.
Press hidden key on face below HLP key to exit.
KEYBOARD
C AU T I O N