2.9 Manual Diagnostics
When you enter programming mode using the Master code, followed by the manual diagnostics
command (930#), the lock is prepared to test the keypad. Press each digit on the keypad in the
following order: 1-2-3-4-5-6-7-8-9-*-0-#. If one of the keys is not functioning correctly, the lock will
buzz and the red LED will light. The diagnostic function will be terminated, but the lock will remain
in programming mode. To confirm that a key is not working, re-enter the manual diagnostic com-
mand (930#) and re-test the keypad.
3. Troubleshooting
Problem
Possible cause
Solution
The lock does not respond at all—no lights and no sound—when a key is pressed.
1.
The connector end of the ribbon cable connecting the front housing and the inside
housing is not snugly pushed in.
Push in the connector so that it locks snugly and makes a good connection.
2.
The batteries are missing, the battery connector is not connected, one or more
batteries are placed with the wrong polarity, the batteries are completely discharged,
or non-alkaline batteries are in use.
Correct the above condition and retry.
3.
The lock is currently in tamper shutdown mode.
To open the lock, use the mechanical override key, or simply wait until the tamper
shutdown time period (30 seconds to 15 minutes) has elapsed.
A User access or Service access code is not accepted—will not unlock the lock.
The access code is not programmed into the lock, the access code is deactivated,
or the lock is in lockout mode.
Program the lock to add the access code (command 2)
Ensure the access code is activated (command 1)
Ensure the lock is not in lockout mode (command 490)
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4000 Programmable Electronic Pushbutton Lock
4 0 0 0 P r o g r a m m a b l e E l e c t r o n i c P u s h b u t t o n L o c k • P K 2 9 7 1
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