Tue. May 21st, 2024

Have you had a lock problem lately? Locking issues can be very frustrating. The great thing is that it’s easy to troubleshoot and fix problems. To follow the process of DEPANNAGE serrure and fixing the problem:

How to troubleshoot locking issues

One of the big problems with locks is unlocking. To see if the lock is broken, you need to insert the key into the lock. If the lock bolt does not work when the key turns, it is very likely that the locking mechanism is broken. Here you need to remove the locking mechanism and repair or replace it.

To remove the mortise lockset cylinder for repair, you must first use a standard screwdriver to loosen the set screw on the knob sleeve and remove the deadbolt knob.

To remove the rest of the mortise lockset, you need to remove the internal knob, external handle, and trim. Then unscrew and remove the faceplate and strike plate.

Other locking issues

Keys can also be an issue. If you just received a non-rotating replacement key, the cut may be inadequate. To verify this, you need to use the original key to verify the lockset in action. If you have problems with the replacement key, you will need to take it back to the store where you cut it.

If you use force to turn the key, there may be a problem with the lubrication of the lock. Here, the locking mechanism should be lubricated with silicone spray or graphite powder. You need to inject the lubricant into the keyway and then move the key back and forth to distribute the lubricant.

If the latch bolt is not fully extended, the mortise may not be deep enough. To fix this issue, you need to remove the strike plate and make a deep hole.

If the key does not fit or rotate in the lock, and it is raining and freezing, the lock can freeze. To resolve this issue, you need to spray the lock device into the key slot. You can also warm the lock with a hairdryer.


These are some of the problems that locks have. If you have a problem with your locking system and can’t fix it, always hire a locksmith service.

How to troubleshoot power door locks:

If none of the locks work, you need to check the fuses and circuit breakers. You must activate the power lock switch in the lock and unlock positions while listening to the click from the relay. If you hear a click, you should test the power relay to see if it is receiving the correct voltage from the switch.

If the relay is receiving the correct voltage but is not producing voltage, the relay needs to be replaced. If there is voltage coming from the relay, the motor may be corroded internally and the motor needs to be cleaned. If you have the skills, you should dismantle the motor and clean it. If you don’t have the skills, you’ll need to ask a specialist to help you with the cleaning.

If one or two doors fail, the problem should be inside the door. All you need to do is remove the door panel and check if the motor is 12 volts. Please note that it is necessary to check with the driver’s door button in the locked position. You also need to check the voltage at the unlock position.

If you get 12 volts in both the locked and unlocked positions, you need to check the motor. If the motor does not provide 12 volts, one or both wires may be broken in the hinge area of ​​the door.

The wire harness must be pulled further into the door to inspect for damage. Please note that you may need to remove the rubber boots from the door to access the wires. Damage must be repaired using solder or crimp connectors.

Thanks For Reading 
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