Become a home-improvement master


Repairing your doorbell

What's more frustrating than trying to ring awires at both areas. Wrap the wires in
doorbell and that doesn't work? You'reelectrical tape if frayed and tighten them if
waiting for someone to answer but they don'tloose. Make sure none of the exposed wires
even know you're there. Well, if theare damaged and they are connected to the
ding-dong is dead at your home, it may justbell  terminal.
need to be repaired instead of being
completely replaced. This is relatively easyStep 3: Check the Transformer: To make sure
to  do  and  can  save  you  time  and money.the transformer is working, restore power to
the circuit that the transformer is connected
Problems with Doorbells: What do you do ifto. The transformer is usually located on the
your doorbell doesn't ring at all or doesn'tjunction box in the basement or near the
sound right? The repair may be as simple ascircuit box. Set a multi-tester on ACV scale
giving certain parts a good cleaning,with a 50-volt range, then touch the
repairing defective wires or replacing atransformer's low voltage terminals with the
part. The key pieces you need to check formulti-tester's probes. If there is a no
repairing and cleaning are the bell unit,voltage signal on the register then the
connecting  bell  wires  and  transformer.transformer needs to be replaced. You can
also use an auto light to test if the
Tools and Materials You Need: Screwdrivertransformer is working. Just connect the auto
Cotton swabs Rubbing alcohol Electrical tapelight bulb to the transformers using short
Wire connectors Multi-tester Fine grit sandwires. If the bulb does not light up, the
paper Emery board Old toothbrush Lightertransformer needs to be replaced. Ask you
fluid A Doorbell That Doesn't Ring Checklocal electrical supply store for the right
Clappers or Plungers. Bells or chimes usuallymodel.
don't work if their clappers or plungers are
dirty. If your doorbell is dirty, the ringA Doorbell That Doesn't Make a Normal Sound
usually sounds muffled or muted. Take off theStep 1: Check Clappers or Plungers: Bells or
cover to the chimes or bells and inspect thechimes usually don't work if their clappers
points that strike the chime or bell foror plungers are dirty. If your doorbell is
dirt. When the gong and clappers on adirty, the ring usually sounds muffled or
doorbell unit or the plungers on a mechanicalmuted. Take off the cover to the chimes or
chime unit get dirty and dusty, dip a cottonbells and inspect the points that strike the
swab in alcohol to clean them. You can alsochime or bell for dirt. When the gong and
use an old toothbrush and lighter fluid onclappers on a doorbell unit or the plungers
the clappers and plungers. These parts lookon a mechanical chime unit get dirty and
like springs or coils on both the doorbelldusty, dip a cotton swab in alcohol to clean
unit  and  the  chime  unit.them. You can also use an old toothbrush and
lighter fluid on the clappers and plungers.
Warning: Do not clean electric chimes becauseThese parts look like springs or coils on
it  will  ruin  them.both  the  doorbell  unit and the chime unit.
Check Rubber Grommets in Chimes. If theCaution: Do not clean electric chimes because
rubber grommets that are attached to theit will ruin them Step 2: Check Rubber
chimes are hard or brittle, it can result inGrommets in Chimes: If the rubber grommets
very muted tones when the chimes are rung.attached to the chimes are hard or brittle,
Replacing the grommets can give a clear ringit can result in very muted tones when the
to your chimes. Rubber grommets can be foundchimes are rung. Replacing the grommets can
at your local True Value hardware store. Yougive a clear ring to your chimes. Rubber
simply attach the grommets to the supportgrommets can be found at any electrical
holes  of  the  tone  bars.supply store. You simply attach the grommets
to  the  support  holes  of  the  tone  bars.
Step 1: Check Doorbell Button: If your
doorbell doesn't make any sound at all, thereStep 3: Install a Transformer with Greater
might be a problem with the button instead ofLow-voltage Output: If you have more than one
the doorbell unit. The button can easily bebell or chime connected to one transformer,
damaged by weather and dirt so it isthe sound of the ring may be weak or delayed.
important that it be replaces or checked ifA transformer with greater low-voltage output
there is a problem. Remove the cover andwill give the both doorbells enough power the
clean the contacts using sandpaper or anring clearly. Ask you local electrical supply
emery board. Use a screwdriver to pry up thestore for assistance when choosing this new
contacts to make the bell ring. If this doestransformer.
not work, remove the button. Disconnect the
wires and touch their ends together. If theCaution: When working with the transformer,
bell sounds, your problem is in the buttonturn off the power source and only touch the
and it needs to be replaced. If the bell doeswires  on  their  insulated  covering.
not sound or sounds faintly, there may be a
problem  in  the  bell  unit.Tip: Don't worry about turning off the power
unless you are working with the transformer.
Step 2: Check the Wires: Bells or chimesSince the doorbell uses such low voltage,
won't ring if the wires are loose at thethere is a very low chance you will get any
sound unit or at the transformer. Check theelectrical shock.



1 A B C 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85