Cannot get it to accept the user pin numbers. Have entered the master code and also reset the manual reset to default.following the manual and using the # sign before and after master code. red light comes on but no numbers are stored. thanks

The default PIN is '0000', 4 zeros.

https://www.google.com/search?q=philips+cd535+forgot+pin+code

Philips CD535 User Manual - ManualsLib

https://www.manualslib.com > ... > CD535
Advanced Settings Reset Reset to default settings Press , scroll MENU SELECT Enter the Master PIN when prompted and press If your PIN number is the default 0000

Reset master Pin Samsung EZON Home Systems shs-3120? How do i reset the master Pin for Samsung Ezon Touchpad Door Lock SHS-3120. I tried to follow instructions written in the user manual but it doesn't work. I have forgot master PIN and factory reset for deleting all the users(as mentioned in manual) and setting the master Pin to default value of 1234 is not... show more
Update: I found the answer/solution

1. Press Initalizaion button on the indoor unit.
2. Press Set button for 10 Seconds.
3. Input the code "1470852369"
4. Press * Button.

Then password will be changed to 1234

hi you reset your mobile using codes .you can get the master reset codes from here theunlockarena here they ask the following details before rendering the codes they are
1.mobile model
2.imei number of the mobile
finally they will send you the master reset code once you entered the codes in your mobile your mobile get reset.

ur defalt phones codes is 12345 or 00000 u can use it
Default 4 Digit user code: 1234 or 0000
Default 6 Digit Security code: 123456 or 000000
Default 6 Digit Security code: 000999 or 1122
Type *#06# at the mobile screen to know IMEI no of your mobile.
send the IMEI no to me and i will reply you with unlocking code.
IF Problem not Solved So
Please New Software install in the Phone Problem will Solved
OR:
If For puk & pin cod problem So Please
Very Best Solution:You Go To Service & Sim Office and Get The Puk code And Pin code From Office oprator
Enter The Puk code and Yes
Enter The pin code and Yes
So Puk code Open and Problem will Quickly Solved

ur defalt phones codes is 12345 or 00000 u can use it
Default 4 Digit user code: 1234 or 0000
Default 6 Digit Security code: 123456 or 000000
Default 6 Digit Security code: 000999 or 1122
Type *#06# at the mobile screen to know IMEI no of your mobile.
send the IMEI no to me and i will reply you with unlocking code.
IF Problem not Solved So
Please New Software install in the Phone Problem will Solved
OR:
If For puk & pin cod problem So Please
Very Best Solution:You Go To Service & Sim Office and Get The Puk code And Pin code From Office oprator
Enter The Puk code and Yes
Enter The pin code and Yes
So Puk code Open and Problem will Quickly Solved

ur defalt phones codes is 12345 or 00000 u can use it
Default 4 Digit user code: 1234 or 0000
Default 6 Digit Security code: 123456 or 000000
Default 6 Digit Security code: 000999 or 1122
Type *#06# at the mobile screen to know IMEI no of your mobile.
send the IMEI no to me and i will reply you with unlocking code.
IF Problem not Solved So
Please New Software install in the Phone Problem will Solved
OR:
If For puk & pin cod problem So Please
Very Best Solution:You Go To Service & Sim Office and Get The Puk code And Pin code From Office oprator
Enter The Puk code and Yes
Enter The pin code and Yes
So Puk code Open and Problem will Quickly Solved

SIM pin code:
This is a pin code that locks the sim card until you enter the correct code. This protects your account, even
if your sim is put into another handset. To reset it, you need the PUK code:
Pin Unlock Code (PUK)
If you miss key (or forget) your SIM pin code, and enter the wrong one 3-5 times in a row, the SIM will lock up, and you’ll need to enter the PUK unlock code to release it. You should ask your Network Service Provider for this code when you need it. Don’t try to guess it, because after a few wrong guesses, the SIM card will be permanently disabled.
Phone Security Code:
This locks the handset, as opposed to the sim card. You can also set some handsets to only accept a “new” sim if the phone security code is entered. To reset it, you need the Master code code:
Master Reset Code
Sometimes known as the Master Code, this allows you to unlock a handset if you have entered the Security Code wrongly too many times.
Which is the one that you want?
The default security code for Nokia is 12345

SIM pin code:
This is a pin code that locks the sim card until you enter the correct code. This protects your account, even
if your sim is put into another handset. To reset it, you need the PUK code:
Pin Unlock Code (PUK)
If you miss key (or forget) your SIM pin code, and enter the wrong one 3-5 times in a row, the SIM will lock up, and you’ll need to enter the PUK unlock code to release it. You should ask your Network Service Provider for this code when you need it. Don’t try to guess it, because after a few wrong guesses, the SIM card will be permanently disabled.
Phone Security Code:
This locks the handset, as opposed to the sim card. You can also set some handsets to only accept a “new” sim if the phone security code is entered. To reset it, you need the Master code code:
Master Reset Code
Sometimes known as the Master Code, this allows you to unlock a handset if you have entered the Security Code wrongly too many times.
Which is the one that you want?
The default security code for Nokia is 12345

SIM Pin Code.
This is a pin code that locks the sim card until you enter the correct code. This protects your account, even
if your sim is put into another handset. ---
To reset this Pin number you need the:
Pin Unlock Code (PUK)
If you miss keyed (or forget) your SIM PIN code, and enter the wrong one 3-5 times in a row, the sim will lock up, and you'll need to enter the unlock code to release it. You should ask your Network Service Provider for this code when you need it. Don't try to guess it, because after a few wrong guesses, the SIM card will be permanently disabled.

Phone Security Code:
This locks the handset, as opposed to the sim card. You can also set some handsets to only accept a "new" sim if the phone security code is entered.
To reset this Security number you need the:
Master Reset Code
Sometimes known as the Master Code, this allows you to unlock a handset if you have entered the Security
Code wrongly too many times.
For IMEI 356404010441953 this is the Master Code:
3520316615 to use it:
You type in the security codes (any) until the phone request the Master code; when it does, leave your phone still, don't use it for 15 minutes, then type in the Master code.

There's a Security Code and Lock Code.

Resetting the Lock Code:
Remove the battery and replace it after 1 hour or more. The default Lock Code should reset to "1234". If that doesn't work try the last four of your phone number.

Resetting the Security Code:
The default Security Code is 12345. If this doesn't work go to your normal interface and type in "#3001*12345*. Go to the Security option, write down the number, then press "Ok". Back out of it all and it should take you back to your normal phone interface. The number your found should be your security code.