iButton Series Programming Guide
Section: Programming Guide Non-Software
Trouble Shooting Guide
Problem
Possible Reason
Solution
iButton Key is not working
Time restricted key or invalid
user
1. Make sure user was properly
programmed or change time
restrictions on particular iButton
Red light is on and three beeps
Batteries low
1.Change Batteries 2. Reset the
lock time and date (function 88#)
Green light is on and two beeps,
but motor is not running
No power to lock motor
Make sure the motor wire is
firmly connected to the PCB and
that wire is not pinched or
damaged by latch
Temporary Key Code is not
working
Access code is expired or lock
time is incorrect
Check / set the time / date inside
lock or issue new temporary
code
Lock doesn’t accept any valid
iButton key
Lock is in 'Lockout' mode
Issue a new Lockout Key to
release the lockout mode.
Will changing battery erase the
key list
No it will not
The key list and timetables are
stored inside the flash memory,
disconnecting the batteries
cannot erase the non-volatile,
solid-state flash memory.
After changing the battery,
codes stop working
Internal lock clock time is lost
Set the lock time and date using
function code 88. User codes
and lock schedules are still
remembered, but lock doesn't
know current time / date.
Keyless Enty Locks
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