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I need master code to open my safe - changed batteries closed my safe now it will not open

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Posted on Jan 02, 2017

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SOURCE: changed batteries closed safe will not open now

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Posted on Jan 08, 2017

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consueloouel
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SOURCE: changed batteries closed safe will not open now

The code 0000 is also often used by safe companies as a code breaker. You can try it out. Hope it helps.

Posted on Nov 12, 2018

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1 Answer

Safemark hotel safe code to change the battery


You open it with the code to open the safe. The battery is in the rear of the door. If your battery is flat, you use the key. The key hole is usually hidden behind an escutcheon plate or badge.

There is no magical master code to open this type of safe.

Videos and a link to Safemark

safemark hotel safe Google Search

This shows the key location
085 Safemark hotel safe not bad

safemark hotel safe change battery Google Search

Sep 05, 2018 | The Home Security

2 Answers

Changed batteries closed safe will not open now


The code 0000 is also often used by safe companies as a code breaker. You can try it out. Hope it helps.

Jan 08, 2017 | Home Security

1 Answer

Cannot open safe new batteries insalled closed safe will not open


Use your master key that came the safe. Open safe ,reset combination. If you don't have master key , need serial number, brand and model number, or take information to a locksmith.

Jan 08, 2017 | Home Security

1 Answer

I changed the batteries and now I can't open the safe- do I have to reset the code and if so how?


Assuming you've not changed the master code:

To Open the safe with the master code:
Enter the master code (pre-selected 123456) and press #. The LED will show -OPEN- and the door will open automatically and at the same time the LED will show "OPENED".

Jan 15, 2015 | Gary Laptop Computer Safe, Steel,...

1 Answer

I have a Sentry safe S3877 the batteries were replaced with new it still gives the error beeps for batteries need to be replaced the safe will not open, how can I get the safe to open?


A1 Locksmith Burlingame CA Once you get the error light that means you are entering a user code that was deleted when the batteries went dead . Simply replace the batteries then use the master code in your owners manual to open the safe. Reprogram new user code instructions bottom of this page.

Apr 17, 2013 | Sentry Fireproof Safe

1 Answer

Change the battery then shut the safe now putting the code it wont open


user code was deleted when the batteries went dead . a1 locksmith recommends replacing the batteries then use the master code in your owners manual to open the safe. Reprogram new user code instructions bottom of this page.

Feb 03, 2013 | Sentry Fireproof Safe

1 Answer

Change the combination on a DHo74E


The SentrySafe electronic lock is shipped with a factory set master & manager code (777777).
You should set the lock to your own unique master & manager code immediately.
Please keep your codes in a secure location. You may also register your codes on our website at www.sentrysafe.com.
A single signal (LED flashes and beeps once) response from the lock indicates valid entry.
A double signal (LED flashes and beeps twice) response from the lock indicates an invalid entry.
• If three incorrect entries are entered in a row, the keypad will shut down for a period of five minutes. During this shut down period you will not get a response from the keypad.
Changing the Master Code
(Code length: 1 to 10 digit code) Always perform this operation with the door open.
1. Enter: # - Existing Master Code - #
2. The set light will stay orange for ten (10) seconds.
3. Enter: 1 - * - New Master Code - # - New Master Code - #, before the orange light disappears.
If a mistake is made during the change, wait thirty (30) seconds and repeat steps 1 thru 3.
Test the new code several times before closing the door: Enter: * - Code - #
• The lock will indicate a valid code change with a single signal.
• The lock will indicate an invalid code change with a double signal and the old code is still valid.
Changing the Manager Code
(Code length: 1 to 10 digit code) Always perform this operation with the door open.
1. Enter: # - Master Code or Manager Code - #
2. The set light will stay orange for ten (10) seconds.
3. Enter: 2 - * - New Manger Code - # - New Manager Code - #, before the orange light disappears.
If a mistake is made during the change, wait thirty (30) seconds and repeat steps 1 thru 3.
Test the new code several times before closing the door: Enter: * - Code - #
• The lock will indicate a valid code change with a single signal.
• The lock will indicate an invalid code change with a double signal and the old code is still valid.
Activate user codes
(Code length: 1 to 10 digit code) Always perform this operation with the door open.
1. Enter: # - Master Code or Manager Code - #
2. The set light will stay orange for ten (10) seconds.
3. Enter: User ID Number (3-7) - * - New User Code - # - New User Code - #, before the orange light disappears.
If a mistake is made during the activation, wait thirty (30) seconds and repeat steps 1 thru 3.
• The lock will indicate a valid code entry with a single signal.
• The lock will indicate an invalid code entry with a double signal and the old code is still valid.
Example: # - Master Code or Manger Code - # - 5 - * - New User Code - # - New User Code - #. This will activate User Five (5).
Changing the user code
Always perform this operation with the door open
1. Enter: # - User Code - #
2. The set light will stay orange for ten (10) seconds.
3. Enter: New User Code - # - New User Code - #, before the orange light disappears.
If a mistake is made during the change, wait thirty (30) seconds and repeat steps 1 thru 3.
Test the new code several times before closing the door: Enter: * - Code - #
• The lock will indicate a valid code change with a single signal.
• The lock will indicate an invalid code change with a double signal and the old code is still valid.
The Master and Manager can also change the user codes by following the "Activate user codes" section steps 1 thru 3.
Deleting user codesAlways perform this operation with the door open.
1. Enter: # - Master Code or Manager Code - #
2. The set light will stay orange for ten (10) seconds.
3. Enter: User ID Number (3-7) - * - # - #
Programming your lock codes
2

Dec 17, 2012 | Sentry Safe Dh-074e Solid Steel Depository...

1 Answer

I want to change the combonation


The SentrySafe electronic lock is shipped with a factory set master & manager code (777777). You should set the lock to your own unique master & manager code immediately.
Please keep your codes in a secure location. You may also register your codes on our website at www.sentrysafe.com.
A single signal (LED flashes and beeps once) response from the lock indicates valid entry.
A double signal (LED flashes and beeps twice) response from the lock indicates an invalid entry.
• If three incorrect entries are entered in a row, the keypad will shut down for a period of five minutes. During this shut down period you will not get a response from the keypad.
Changing the Master Code
(Code length: 1 to 10 digit code) Always perform this operation with the door open.
1. Enter: # - Existing Master Code - #
2. The set light will stay orange for ten (10) seconds.
3. Enter: 1 - * - New Master Code - # - New Master Code - #, before the orange light disappears.
If a mistake is made during the change, wait thirty (30) seconds and repeat steps 1 thru 3.
Test the new code several times before closing the door: Enter: * - Code - #
• The lock will indicate a valid code change with a single signal.
• The lock will indicate an invalid code change with a double signal and the old code is still valid.
Changing the Manager Code
(Code length: 1 to 10 digit code) Always perform this operation with the door open.
1. Enter: # - Master Code or Manager Code - #
2. The set light will stay orange for ten (10) seconds.
3. Enter: 2 - * - New Manger Code - # - New Manager Code - #, before the orange light disappears.
If a mistake is made during the change, wait thirty (30) seconds and repeat steps 1 thru 3.
Test the new code several times before closing the door: Enter: * - Code - #
• The lock will indicate a valid code change with a single signal.
• The lock will indicate an invalid code change with a double signal and the old code is still valid.
Activate user codes
(Code length: 1 to 10 digit code) Always perform this operation with the door open.
1. Enter: # - Master Code or Manager Code - #
2. The set light will stay orange for ten (10) seconds.
3. Enter: User ID Number (3-7) - * - New User Code - # - New User Code - #, before the orange light disappears.
If a mistake is made during the activation, wait thirty (30) seconds and repeat steps 1 thru 3.
• The lock will indicate a valid code entry with a single signal.
• The lock will indicate an invalid code entry with a double signal and the old code is still valid.
Example: # - Master Code or Manger Code - # - 5 - * - New User Code - # - New User Code - #. This will activate User Five (5).
Changing the user code
Always perform this operation with the door open
1. Enter: # - User Code - #
2. The set light will stay orange for ten (10) seconds.
3. Enter: New User Code - # - New User Code - #, before the orange light disappears.
If a mistake is made during the change, wait thirty (30) seconds and repeat steps 1 thru 3.
Test the new code several times before closing the door: Enter: * - Code - #
• The lock will indicate a valid code change with a single signal.
• The lock will indicate an invalid code change with a double signal and the old code is still valid.
The Master and Manager can also change the user codes by following the "Activate user codes" section steps 1 thru 3.
Deleting user codesAlways perform this operation with the door open.
1. Enter: # - Master Code or Manager Code - #
2. The set light will stay orange for ten (10) seconds.
3. Enter: User ID Number (3-7) - * - # - #
Programming your lock codes
2

Dec 17, 2012 | Sentry Safe Dh-074e Solid Steel Depository...

2 Answers

Cannot open safe and I have changed the battery


If you removed batteries more than 1 or 2 times in a row, safe may revert back to a factory setting.
The factory number should be on your instruction sheet that came with the safe.
Contact Sentry for the factory safe number that came with your safe.

However, if the safe was not opening before you replaced the batteries it may be a faulty solenoid.


Terry Whin-Yates BA Hons (Criminology)
3rd Generation Master Locksmith
25+ Years Experience
BC Security License : B4227
604-773-5625
http://www.mrlocksmith.com/

Dec 27, 2010 | Sentry Safe Qe4531 Firesafe Waterresistant...

3 Answers

Lost instructions for sandleford E.S.20 safe


The operating instructions on the ES20 as per the crappy manual:

Open safe using emergency key provided

Insert batteries in the box inside the door

Opening the safe
a. pre-set factory code 159
b. input 159 (the yellow light will flash and the buzzer will beep), then press B or A button, the green light will be on, rotate the knob clockwise, pull outwards, the door is opened

Closing the safe: close the door, input the code (the green light will flash for 5 secs). Turn the knob anti clockwise, the control system will activate and the safe will be locked

Changing the code: open the safe, press the red button located inside the door, the yellow light will go on indicating the code can be changed. Input the new code (1-8 digits), then press A or B button, it shall be confirmed by two beeps indicating the new code has been accepted and stored. If the yellow light and buzzer beeps 3 times the code is invalid - try again

Emergency Key - store in secure place NOT inside the safe. Remove the override cover in the centre of the face of Safe (its a silver plastic panel with Sandleford Electronic Safe ES20 on it), insert override key (a cyclinder key) - hidden underneath the override cover panel - and turn anti clockwise, rotate the knob clockwise to open door

Changing the Battery - If the red and green light are on this indicates that the batteries are low and require changing. To ensure the batteries have been installed correctly test before closing the door

References:
1. Operating instructions EA Electronic Safe
2. http://www.secustar.com/products-en/estype-safe.htm

Jan 09, 2009 | Sentry Fireproof Safe

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