User's Manual

Pyramid Series Proximity Readers
2177 Leghorn Street 01566-002 Rev. 1.2
Mountain View, CA 94043-1605 USA Page 22 of 22
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Product ManualPyramid Series
6.1 For the P-600 Only
2. The shield wire for
the reader’s cable
has opened
somewhere between
the reader and the
access panel.
• Verify the shield line from the access
panel to the reader is one continuous,
connected line. Refer to the access
panel’s documentation and verify the
shield line is correctly connected to
the access panel.
3. The reader is
mounted too close to
a device that radiates
electromagnetic
interference.
• Devices such as computer monitors
radiate electromagnetic interference
that affects read range. When
possible, relocate either the reader or
the device to provide a greater
distance between the two.
4. The power supply is
generating
electromagnetic
interference.
• The power supply on the access panel
must be a regulated linear supply – do
not use switching supplies as they are
often sources electromagnetic
interference.
a. A supply voltage of 12 VDC at the reader is recommended for best operation.
Table 4: P-600 Installation Only
Problem Possible CauseCorrective Action
Nothing happens
when a key is
pressed.
1. The reader is not
receiving proper
power from the
access panel.
• Verify the voltage supplied to the
reader is between 5 and 14 VDC.
a
a. A supply voltage of 12 VDC at the reader is recommended for best operation.
Nothing happens
after a PIN is
pressed.
1. The # key (send)
was not pressed after
the code was
entered.
• Reenter the code and then press
the # key.
Table 3: Reader Installation
Problem Possible CauseCorrective Action