Service manual

Troubleshooting
3–6 V Series Service Manual
Green Denied a. Chassis type of cylindrical lock
is set to “mortise”.
a. Change the programming setting for chassis
type to cylindrical.
b. If the lock is a 9K, the spindle
may be faulty.
b. If you can hear the chassis cycling, replace
the chassis. Contact your local BEST
representative for assistance.
Lock is always unlocked. a. Lock may be in a door unlock
mode or passage mode. Setting
the door mode to “Door
unlock” means that anyone
can access the door in this
condition.
a. Use the handheld terminal to check the door
mode. If desired, change the door mode.
b. Lock may be in a door unlock
time zone.
b. Use the handheld terminal to check the door
mode and the time zone settings. If desired,
change the door mode.
Cannot plug the handheld
terminal connector into
the lock’s communications
port.
a. Foreign object is jammed into
the communications port.
a. Remove the object from the communications
port.
b. Communications port is
damaged.
b. Replace the outside wire harness.
Cannot insert a card. Foreign object is jammed in the
card reader.
Push the object down through the card reader if
possible. Unless the object is preventing the
card from being inserted fully, there is no
reason to remove the trim.
If the object will not push through the card
reader, remove the trim and remove the foreign
object.
Note: Use a valid card to verify that the card
reader head is not damaged.
When communicating
between a PC or palmtop
and a V Series Security
Device, or between a PC
and a palmtop, you see a
message that
communications has failed.
a. Communications cable(s) is
(are) not connected properly.
a. Check cable connections.
b. If the device is an electronic
lock, the lock’s outside wiring
harness is damaged or
disconnected.
b. Check the outside wire harness. If it’s
damaged, replace the wire harness.
c. Communications cable is
faulty or damaged.
c. Try communicating with another device or
PC. If communications works, the cable(s) is
(are) not the problem. If communications
does not work, replace the cable(s).
LEDs Sounder Access Possible causes include… You should…