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Battery is no power
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RELATED FAQS
Question
Answer
Why is the battery draining so quickly on an AD-Series lock with a Keypad ONLY (KP) credential reader?
Resolution:
A Technical Note has been generated to document one method of measuring battery current. See the attachment HERE.:
Why is the Von Duprin PS873 power supply buzzing or chattering?
Resolution:
Some transformers in the power supplies provide a little humming noise and that is normal. If the humming in Von Duprin PS873 power supply is loud follow these steps. Remove the load from the outp...:
The Von Duprin 98 or 99 ALK kit will not sound the horn
Resolution:
Followings are the reason for 98/99 exit alarm ALK not sound when push bar is activated. Make sure key switch on exit alarm ALK is turned on, wait for 20 seconds before you activating the pushba...:
Alk not power up - using 9V battery
Resolution:
There are three main failures with an ALK. Problems are usually caused by a bad power source(battery), bad RX/LX Switch or a bad circuit board. Try installing a new battery and wai...: