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Onity lock keeps telling me clear the lock

I need to know how to clear this card lock so I can program it

Posted by Anonymous on

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Posted on Jan 02, 2017

SOURCE: I have 5 brand new TESA Onity locks that will not

I have unity ht 24 lock when swiping the key card it shows red & green light. All my two locks open for two days I have to keep program every 3 or 3 days

Posted on Mar 28, 2015

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1 Answer

I hear click , but can not lock the door

Need more information. Try lifting up on the handle when you card the lock. A worn or broken clutch assembly is a common issue with older TESA/Onity HT24 locks.

Mar 09, 2015 | Locks & Locksmithing

1 Answer

I have onity lock after using guest key card i am getting green light but handle is not opening door

Listen if you hear a click sound when you get the green light. Try to turn the handle up. If you hear a click, and you can open the door when you turn the handle up, you have a bad clutch kit. If you do not hear a click, then your circuit board needs replaced.

Call if you have any more questions or need to order the parts.


Ken Croston Jr.


Feb 28, 2014 | Cars & Trucks

1 Answer

Qnity ht24

Sounds like the battery board needs replaced. If a solder point is bad, it can loose time or programming when the door slams. Sometimes it is due to corrosion from being on an exterior property. Feel free to call if you have any other questions or need the board.


Feb 17, 2014 | Locks & Locksmithing

2 Answers

I have 5 brand new TESA Onity locks that will not work after I program the lock.Just blinks red when I insert the key in it.

This page is for Onity's Supplies and Services:
It is the only source of contact information that I could find toward solving your problem.
I suggest that you contact them through the phone number listed on this page. For your convenience,
By Phone: 1-800-749-2983
By Email:

Good luck!

Jul 27, 2011 | Locks & Locksmithing

1 Answer

I have a Onity Advance lock and the green light is flashing at a very rapid rate. The lock stays in the open position all the time and never goes to the secured position. So you can just press the handle...

I am going to guess that this lock is a common door.

The flashing green and staying unlocked indicates that this lock is in "Office Mode"

If a master key has office mode capability, and the lock program has office mode capability, the lock can be permantly unlocked by "double dipping the key". It can be put back in to regular mode by "double dipping the key" again. This will only work if the master has the "office mode" capability.


Ken Croston
407 814 4974

Jul 13, 2011 | Locks & Locksmithing

1 Answer

Onity lock ht24--In the test mode, what does "FF" mean when keyboard test is run?

Chris, The HT 24 Lock does not have a keyboard so this test is not relevant to your lock. This test feature is for an Onity lock with a numbered keypad.

Hope this helps. If you have any more problems or questions you can call me or send an email through my web site.

Ken Croston 407 814 4974

Nov 03, 2010 | Locks & Locksmithing

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