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
Common Question
Home & Business Security Solution
CCTV & Security Distributor
