Troubleshooting - Siemens Codoor CD3500 Installation & User Manual

CD3500 & CD4000 Installation and User manual

Troubleshooting

Symptom
• Lock does not open
when code us entered.
• Codoor is in unlocked
position.
• Codoor does not sound
following key presses.
• Batteries are rapidly
discharged.
• Lock does not open even
though backup power.
Remedy
• 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.
• Set Codoor to locked position (if required)
according to the instructions in section
Deactivation function.
• 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.
• Check the batteries and change any discharged
batteries.
• 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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