10 • Schlage • CO-250 user guide
Troubleshooting
Problem
Possible cause
Solution
The lock beeper does
not sound and the
keypad does not light
when the Schlage
button is pressed.
The reader may not be
properly seated into the
front escutcheon.
The reader connector may
have bent pins.
The through door ribbon
cable may not be properly
plugged in.
The battery or wired
power may be improperly
connected.
The batteries may be
inserted with incorrect
polarity.
Check that the reader is fully seated
into the front escutcheon.
Check that there are no bent pins in
the reader connector.
Check that the through door ribbon
cable is plugged in correctly. The red
wire should be on the left and not
pinched in the door.
Check that the battery or wired power
is connected correctly.
Check that the batteries are inserted in
the correct polarity.
Refer to the installation instructions
that came with the CO-250 lock, or
this user guide for details on the above
mentioned procedures.
The connection
with the SUS is not
successful.
The triangles on the
outside lock assembly
(cylindrical and mortise
locks only) may not be
properly aligned.
Check the outside lock assembly
(cylindrical and mortise locks only).
The triangles on the back of the lock
assembly must be properly aligned.
Refer to the installation instructions
that came with the CO-250 lock for
details.
The reader is not
working.
The Smart card is not
reading.
The magnetic swipe
card is not reading
correctly (no beeps
or blinks).
The through door ribbon
cable may be pinched.
The Smart card default of
the card reader may not be
correct for the Smart card.
The “Mag Track in Use”
default for all Magnetic
Card Credential Readers
is “Track2”. The magnetic
swipe card data may be on
Track1 or Track3.
Check that the through hole ribbon
cable is not pinched.
Change the Smart card format using
the SUS. Select CO-250 “Lock
Properties”, “Reader” tab, and “Smart
cards in use”.
Use the SUS to change “Mag
Track in Use”. Select CO-250 “Lock
Properties”, “Reader” tab, and “MAG
Card Track selection”.
Refer to the installation instructions
that came with the CO-250 lock, or
the SUS user guide for details on the
above mentioned procedures.
The LEDs and
beeper indicate an
incompatible reader
(2 red blinks and 2
beeps with each card
or key press, or 5 red
blinks and 5 beeps
on power-up).
The reader is not the
original reader matched
with the lock at the factory.
The lock must be installed with the
original reader that came with the lock.
