Detex DTX-4300 - Manual (Page 97)

Table 5-1. Troubleshooting Chart (continued)
Problem Probable Cause Solution
prox.pad plus unit
not entering
program mode when
99 # Master code *
is pressed on the
prox.pad plus
keypad or
installer/programmer
forgets the “master
code" Various: master
code has been
changed, is
incorrect, or new
code not
programmed
correctly 1. With power to the prox.pad
plus unit turned ON, remove the
main circuit board from the unit
as described in section 2.5.
2. Locate the “Program” button
(SW1) underneath the main
circuit board and press it for
about 2 seconds. Take care if
you must pull the circuit board
out of the plastic housing. Handle
the board by its edges,
otherwise, your fingers can short
the solder points. Figure 2-7
illustrates the location of this
button. (When handling the
main printed circuit board, to
guard against possible static
discharges, touch a grounded
object BEFORE touching the
prox.pad plus unit.) (The yellow
LED blinks slowly, indicating that
program mode is active.)
3. To program a new master
code, press:
1# new-code * repeat-code *
The code can be 1-6 digits, with
repeated numbers acceptable.
4. To exit program mode, press *.
5. Continue programming as
described in Chapter 4.
5.1 Before Calling IEI Chapter 5: Troubleshooting
prox.pad plus Install/Program. Manual, PPP, D4b 5-3
Part No. 6105679, Rev. 1.1