ProVisual AC-930P Installation Manual - Common Question
1. If there is no sound when card is presented to the reading area, the reading function maybe
damaged.
2. If there is no sound when press the keys, the keypad maybe damaged.
3. When add card, if the device exits program mode automatically, the memory maybe
damaged.
4. If valid card is read and OK light is on, while relay does not act, the lock control may
malfunction.
5. If relay keeps on in open state, buzzer keeps buzzing, and SW-GND is short or lower than
, the keys maybe damaged.
6. MenCi-GND is short or lower than 3.5V, the door magnet input maybe damaged.
7. Voltage of DATA0, DATA1 and GND should be higher than 3.5V, otherwise exterior reader can
not work properly.
8. When RS485 is applied, voltage between 485+ and 485- is around 5 voltages.
The life of products is related to application environment and application method. Please carefully
follow the product manual and installation manual.
In case of any problem, please contact with our technical support instead of self- repairment.
Please keep the original state of the products when sending back for repair. Please notify us
if you have any special demand, and we will feedback within 48 hours.
ProVisual, Inc.
Technical Support Department
Toll Free: 1(800)593-6955
3.5V
support@securitycameradistributor.com
Common Question
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