You should hear a ticking sound.
How to fix a wall clock that runs slow.
Swing the pendulum on the inside of the clock if it has a pendulum.
If not there may be internal damage.
To slow down the clock loosen the adjustment nut turn it toward your left.
Wind the clock if it has stopped running.
Turning the screw to the left will lower the pendulum slightly and slow down the clock.
The clock will run slower.
Open the door and bring the pendulum all the way to the side then let.
If they are getting a collision or there is unnecessary friction among them smoothen out the edges of the handles with a piece of cloth.
This screw regulates the speed of the clock.
Gently take off the compartment and take a look at the connections.
How to repair an old wall clock if your wall clock is off you will definitely replace the new battery if it remains dead.
The bob will settle lower making the effective length of the pendulum longer.
It is possible to install the battery upside down where the battery is.
To speed up the clock tighten the nut turn it toward your right.
If your clock is running slow then there might be an issue with the wiring.
If so replace the cables with new ones and see if it works or not.
Use the fingers of your dominant hand to gently turn the regulation screw.
How to troubleshoot wall clocks.
Each turn of the screw slows the clock by two minutes per 24 hour period.