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14 Troubleshooting
Symptom Remedy
Lock does not open
when code us entered.
Check that the right code has been
entered.
Make sure the handle is not pressed
down as the code is entered.
Check that the handle is not sagging.
Check that the time limit for automatic
reset has elapsed.
Check that Codoor is fitted exactly
vertical.
Check that the lock is not fitted too
tightly to the door, in which case the
handle could be jammed.
Check that the red mark on the follower
for the lever handle spindle is pointing
downwards.
Codoor is in unlocked
position.
Set Codoor to locked position (if
required) according to the instructions
in section Deactivation function.
Codoor does not sound
following key presses.
Activate the buzzer (see section Buzzer)
Check the batteries and change any
discharged batteries.
Batteries are rapidly
discharged.
Frequent use requires frequent change
of batteries. The batteries last up to
150,000 openings (lithium-type) and
50.000 openings with alkaline-type.
Lock does not open even
though backup power.
The blocking counter is activated. See
section Access blocking.
Enter the programming code (skip
before and after the code).
The batteries may be bad and should be
changed immediately.
The batteries are completely discharged
and should be changed immediately.
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