Siemens Codoor CD3500 - Troubleshooting Guide

CD3500 & CD4000 Installation and User manual 19
ENG
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)
Frequent use requires frequent change of
batteries. The batteries last up to 150,000
openings (lithium-type) and 50.000 openings
with alkaline-type.
•
•
Batteries are rapidly
discharged.
• Check the batteries and change any discharged
batteries.
•
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.
•
•
•