[Note: If your lock is opening on every turn of the knob or lever, except upon entering a code, this may be a
ZERO CODE. Before attempting to remove the lock from the door, refer to the troubleshooting procedures
outlined at bottom of this document for a zero code symptom/solution.]
1000 Series FAQ
Changing the Code / Combination
The door must be open.
On models with the passage feature, make sure the passage feature is disengaged:
turn knob or key should be in vertical position (A) (see figure 1).
1. Insert the DF-59 control key (B) into the combination change plug assembly (C)
and unscrew the cylinder by turning the key counterclockwise. Remove the
combination change plug to gain access to the combination change sleeve (D) (see
figure 1).
2. Turn the outside knob once clockwise (all the way, until it stops) then release.
The latch should not retract (see figure 4).
3. Enter the existing combination. On new installations, use the factory-set
combination: depress 2 and 4 simultaneously, (release), then 3 (release). You
should feel a slight click as each button is depressed.
4. Insert the spanner wrench as shown in figure 2 to engage the combination change
sleeve (A). Gently turn the spanner wrench clockwise to the stop position (a slight
click should be felt), then turn the spanner wrench counterclockwise to the stop
position (A) (see figure 3). Remove the spanner wrench.
5. Turn the outside knob once clockwise all the way until it stops, then release. The
latch should not retract (see figure 4).
6. Choose your new combination, write it down, then enter the new combination —
depress buttons carefully (a slight click should be felt as each button is depressed).
Note: You can use one button or all five for a combination, but each button can
only be used once. You can depress two or more buttons simultaneously as a step in
the combination.
7. Turn the outside knob clockwise once, all the way, until it stops, hold in position
and make sure the latch is retracted (see figure 5). Release the knob.
8. Turn the knob clockwise again to the stop position. At this point, the latch (A) should not retract unless you
enter the new combination (see figure 4).
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