WTC Technitron T2050 - Page 28

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You can only edit values (except for the SCHEDULE instruction)
when the control is in Program Mode. If you purchased the
optional keyswitch, the control CANNOT be placed in Program
Mode unless the switch is turned to the "Unlock" position.
To place the control in Program Mode, press the PROGRAM
MODE button on the DEP. The PROGRAM MODE LED will
light to indicate that you have changed modes. To exit Program
Mode, press the PROGRAM MODE button again. The LED will
turn off.
When the center LED next to a Sequence or Config item is on
(Figure 4 on page 5-16, item 3), the value for that item appears in
the numeric display. Edit the value by pressing the DATA
W
and
E keys located below the numeric display.
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Clearing memory requires a special procedure.
WARNING! Performing this operation will ERASE ALL
USER PROGRAM AND SETUP DATA! All
configurable parameters are set to their default
values. Calibration data is NOT erased.
To clear memory, follow these steps:
1. Enable "One time" Configuration by closing switch SW1–8.
2. Make sure the Sequence and Config LEDs are both OFF and
the control is in Program Mode. Press and release the
PROGRAM MODE key until only the PROGRAM MODE
LED stays on.
3. Press and hold the FAULT RESET key.
4. Press and hold the DATA
W key.
5. Press and release the SCHEDULE
E key.
6. Release the FAULT RESET and DATA
W keys.