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Removed battery terminals

The cells in my battery-pack are reading 11.2V but there is no voltage on the terminals. What do I do?

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You should ask the technician and not do anything on your own. You have to take it to the expert.

Posted on Jul 15, 2013

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My aceraspire4330 wont power on


you can try the power system check by doing the following:

To verify the symptom of the problem, power on the computer using each of the following power sources:
1. Remove the battery pack.
2. Connect the power adapter and check that power is supplied.
3. Disconnect the power adapter and install the charged battery pack; then check that power is supplied by
the battery pack.

If you suspect a power problem, see the appropriate power supply check in the following list:
"Check the Power Adapter"
"Check the Battery Pack"

Check the Power Adapter
Unplug the power adapter cable from the computer and measure the output voltage at the plug of the power
adapter cable. See the following figure
1. If the voltage is not correct, replace the power adapter.
2. If the voltage is within the range, do the following:
* Replace the System board.
* If the voltage is not correct, go to the next step.
NOTE: An audible noise from the power adapter does not always indicate a defect.
3. If the power-on indicator does not light up, check the power cord of the power adapter for correct
continuity and installation.
4. If the operational charge does not work, see "Check the Battery Pack"

Pin 1: +19 to +20.5V (Centre pin)
Pin 2: 0V, Ground (Shielding / Surround)


Check the Battery Pack
To check the battery pack, do the following:
From Software:
1. Check out the Power Management in control Panel
2. In Power Meter, confirm that if the parameters shown in the screen for Current Power Source and Total Battery Power Remaining are correct.
3. Repeat the steps 1 and 2, for both battery and adapter.
4. This helps you identify first the problem is on recharging or discharging.

From Hardware:
1. Power off the computer.
2. Remove the battery pack and measure the voltage between battery terminals 1(+) and 6(ground).
(Terminal 1 is closest to the edge, Terminal 6 is closest to centre)
3. If the voltage is still less than 7.5 Vdc after recharging, replace the battery.

To check the battery charge operation, use a discharged battery pack or a battery pack that has less than 50% of the total power remaining when installed in the computer. If the battery status indicator does not light up, remove the battery pack and let it return to room temperature.

Re-install the battery pack.
If the charge indicator still does not light up, replace the battery pack. If the charge indicator still does not light up, replace the DC/DC charger board.

Jan 20, 2015 | Acer Aspire One PC Notebook

1 Answer

2007 chevy impala ss radio stop working and now car wont start


Assuming the battery is fully charged, the connections from the battery red to starter motor & relay are tight, and black terminal from battery to engine block (or chassis) are tight, and cables &/or terminals are not corroded, and the battery electrolyte levels are not low to expose the battery lead plates, the symptoms you describe sounds like a main fuse panel issue. Some cars have two fuse panels; one beneath the driver or passenger console, another one beneath the hood in engine area. If fuses are OK, then not enough electrons are passing through when you turn the key, meaning something is acting as a resistor to prevent free flow of electrons (loose connections or corroded terminals or cables). When you pop open the caps off the battery, each cell holds 2 volts. If the lead plates are exposed, that cell will hold less than 2 volt. Replenish with distilled water or battery electrolyte (sold at some auto parts store, so call around instead of driving all over town). If you have a battery charger & digital voltage meter, the battery should read 12.6 to 13 volts for fully charge. If below this, touch black probe on voltage meter to negative side of battery, then dip red probe on each of battery cell's electrolyte. Write down the voltage reading of each cell, then hook up the battery charger let charge for half an hour or so until battery shows 12.6 or higher reading after unplugging the charger. With charger unplugged, take digital voltage meter and take 2nd voltage reading of each cell, dipping red probe into electrolyte while black probe touches negative side of battery. Write down voltage reading of each cell. Wait half an hour to 45 minutes, then take a 3rd voltage reading of each cell. If there's a drop in voltage reading on one cell from the 2nd time, this cell is not holding a charge and its draining power from the adjacent cells, resulting in eventually leaving a dead battery after it had been parked over the weekend. Replace the battery. This method of diagnosis to check battery condition is more accurate than a load test. I've seen batteries that will pass a load test, yet battery goes dead after the car (or semi truck or bus) had been parked for 2 or 3 days because the faulty cell had drained power from the adjacent cells next to it. In semi trucks & buses, when the battery goes dead, it continues to drain the power from other batteries that are hooked in parallel or series to other batteries.

Mar 20, 2014 | 2006 Chevrolet Impala

1 Answer

How to replace a starter??


Ford Excursion, Expedition, Lincoln Navigator 2000-2005
Starter

Print


Removal & Installation

  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.

    Negative battery cable
  2. Raise and safely support the vehicle.
  3. Remove or disconnect the following:
    NOTE To disconnect the hard-shell connector from the solenoid S terminal, grasp the plastic shell and pull off; do not pull on the wire. Pull straight off to prevent damage to the connector and S terminal.


    Starter terminal cover Terminal nut and separate the battery starter cable from the starter motor Solenoid S terminal connector, if equipped with a starter mounted solenoid
  4. Remove or disconnect the following:

    Starter motor retaining bolts Starter motor from the vehicle

To install:
  1. Install or connect the following:

    Starter motor and retaining bolts. Tighten the bolts to 15-20 ft. lbs. (20-27 Nm). Bttery starter cable and a terminal nut to the starter motor. Tighten the terminal nuts to 79 inch lbs. (9 Nm). Slenoid S terminal connector, if equipped with a starter mounted solenoid Sarter solenoid safety cap, if equipped
  2. Lower the vehicle.
  3. Remove or disconnect the following:

    Ngative battery cable
  4. Start the engine several times to check starter motor operation.

  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Remove or disconnect the following:

    Negative battery cable
  3. Raise the front of the truck and install jackstands beneath the frame. Firmly apply the parking brake and place blocks in back of the rear wheels.
  4. Remove or disconnect the following:

    Wiring from the starter motor terminals Starter motor retaining bolts, loosen Starter retaining bolts while supporting the starter motor Starter from the vehicle

To install:
  1. The installation is the reverse of removal. Tighten the starter retaining bolts to 15-20 ft. lbs. (20-27 Nm)

4.6L, 5.4L & 6.8L Engines
  1. Before servicing the vehicle, refer to the precautions section.
  2. Disconnect the negative battery cable.
  3. Raise and safely support the vehicle.
  4. Remove or disconnect the following:
    NOTE To disconnect the hard-shell connector from the solenoid S terminal, grasp the plastic shell and pull off; do not pull on the wire. Pull straight off to prevent damage to the connector and S terminal.


    Starter terminal cover Terminal nut and separate the battery starter cable from the starter motor Solenoid S terminal connector, if equipped with a starter mounted solenoid
  5. Remove or disconnect the following:

    Starter motor retaining bolts Starter motor from the vehicle

To install:
  1. Install or connect the following:

    Starter motor and retaining bolts. Tighten the bolts to 15-20 ft. lbs. (20-27 Nm). Battery starter cable and a terminal nut to the starter motor. Tighten the terminal nuts to 79 inch lbs. (9 Nm). Solenoid S terminal connector, if equipped with a starter mounted solenoid Starter solenoid safety cap, if equipped
  2. Lower the vehicle.
  3. Connect the negative battery cable.
  4. Start the engine several times to check starter motor operation.

6.0L Diesel Engine
  1. Before servicing the vehicle, refer to the precautions section.
  2. Disconnect the battery ground cable.
  3. Remove starter solenoid protective cap.
  4. Disconnect the starter motor electrical connections.
  5. Remove the bolts and the starter.

To install:
  1. Installation is the reverse of the removal procedure. Tighten the starter bolts to 18 ft. lbs. (25 Nm)

7.3L Engine
  1. Before servicing the vehicle, refer to the precautions section.
  2. Remove or disconnect the following:

    Negative battery cable
  3. Raise the front of the truck and install jackstands beneath the frame. Firmly apply the parking brake and place blocks in back of the rear wheels.
  4. Remove or disconnect the following:

    Wiring from the starter motor terminals Starter motor retaining bolts, loosen Starter retaining bolts while supporting the starter motor Starter from the vehicle

To install:
  1. The installation is the reverse of removal. Tighten the starter retaining bolts to 15-20 ft. lbs. (20-27 Nm)


Testing & Troubleshooting

Feed Circuit Test

  1. Make sure the battery is fully charged.
  2. Disconnect the Inertia Fuel Shutoff (IFS) switch.
  3. Connect a remote starter switch between the starter solenoid S-terminal and the battery positive (+) terminal.
  4. Connect the Rotunda 73 Digital Multimeter positive lead to the battery positive (+) post. Connect negative lead to the starter solenoid M-terminal.

    0996b43f80204e8b.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Motor feed circuit-S-terminal (1), remote starter switch (2), battery (3), Rotunda 73 digital multimeter (4), B-terminal (5), M-terminal (6)

  5. Engage the remote starter switch. Read and record the voltage. The voltage reading should be 0.5 volt or less.
  6. If the voltage reading is 0.5 volt or less, go to the Motor Ground Circuit Component Test.
  7. If the voltage reading is greater than 0.5 volt, indicating excessive resistance, move the Rotunda 73 Digital Multimeter negative lead to the starter solenoid B-terminal and repeat the test. If the voltage reading at the B-terminal is lower than 0.5 volt, the concern is either in the connections at the starter solenoid or in the solenoid contacts.
  8. Remove the cables from solenoid B-, S- and M-terminals. Clean the cables and connections and reinstall the cables to the correct terminals. Repeat Steps 3 through 6. If the voltage drop reading is still greater than 0.5 volt when checked at the M-terminal or less than 0.5 volt when checked at the B-terminal, the concern is in the solenoid contacts. Install a new starter motor.
  9. If the voltage reading taken at the solenoid B-terminal is still greater than 0.5 volt after cleaning the cables and connections at the solenoid, the concern is either in the positive (+) battery cable connection or in the positive battery cable itself.
  10. By moving the Rotunda 73 Digital Multimeter negative lead toward the battery and checking each mechanical connection point, the excessive voltage drop can be located. When the high reading disappears, the last mechanical point that was checked is the concern. Repair or install a new connection as required.

Ground Circuit Test
A slow cranking condition can be caused by resistance in the ground or return portion of the cranking circuit. Check the voltage drop in the ground circuit as follows:
  1. Disconnect the inertia fuel shutoff switch.
  2. Connect a remote starter switch between the starter solenoid S-terminal and the battery positive (+) terminal.
  3. Connect the Rotunda 73 Digital Multimeter positive lead to the starter motor housing (the connection must be clean and free of rust or grease). Connect the negative lead to the negative (-) battery terminal.

    0996b43f80204e8c.jpg enlarge_icon.gifenlarge_tooltip.gif

    Fig. Motor ground circuit-Rotunda 73 digital multimeter (1), battery (2), S-terminal (3), M-terminal (4), B-terminal (5), remote starter switch (6)

  4. Engage the remote starter switch and crank the engine. Read and record the voltage reading. The reading should be 0.2 volt or less.
  5. If the voltage drop is more than 0.2 volt, clean the negative cable connections at the battery and body connections, and retest.
  6. If the voltage drop is greater than 0.2 volt, determine which way the current is flowing in the cable.
  7. Connect the Rotunda 73 Digital Multimeter positive lead to the end of the cable nearest battery positive.
  8. Connect the multimeter negative lead to the terminal at the other end of the cable.
  9. Crank the engine and observe the voltage reading. The voltage reading should be 0.2 volt or lower. If the voltage drop is too high, clean the terminal ends. Retest, and if still high, install a new cable. If the voltage reading is less than 0.2 volt and the engine still cranks slowly, install a new starter motor.

Voltage Drop Test

WARNING When servicing the starter motor or performing other underhood work in the vicinity of the starter motor, be aware that the heavy gauge battery input lead at the starter solenoid is "electrically hot" at all times.

WARNING A protective cap or boot is provided over the battery input terminal on all vehicle lines and must be installed after servicing. Be sure to disconnect the battery ground cable before servicing the starter motor.
Always make the Rotunda 73 Digital Multimeter connections at the component terminal rather than at the wiring end connector. Making a connection at the wiring end connector could result in false readings because the meter will not pick up a high resistance between the wiring connector and the component.

Aug 05, 2012 | 2001 Ford Expedition

2 Answers

Charging proses showing but battry not charging


Hi

Its mean you battery age is over, so please go to nearest nokia service center and get the new battery for your mobile.


Thank

Aug 16, 2011 | Nokia N70 Cellular Phone

1 Answer

Base isflashing gren light, handset says not connected


I've had this happen before with an older Panasonic, and also a V-tech. On both the problem came and went, and was easily correctable by simply placing the handset on the base (not a remote charging base) for a few seconds. Over time it became a more frequent issue, and eventually both phones got to the state you are in now, where it seems that there is nothing that make it aquire a signal. You can try removing the battery from the handset, and replacing it. You may want to check the voltage of the battery with a multimeter while you have it out to see if one of the cells is dead.
The cells in the battery pack of your cordless phone each produce 1.5v, so the number of cells x 1.5 is the voltage you should read with your multimeter. If you have a 3 cell battery pack, and it is only putting out 3 volts, you have one dead cell. Often the highest voltage required by the device is the unregulated output of the pack. Because the device has no provision for stepping the power up from 3 to 4.5 volts, some of it's electronics will not function properly with a dead cell in the pack.
Handset battery packs are fairly standardized these days, so you should b able to find one to test your handset with without actually buying a replacement battery pack.

May 06, 2011 | Panasonic Cell Phones

1 Answer

Wont charge


Probably the battery pack is worn out or has a "memory" problem. A worn out pack will have one or more cells shorted internally (one or more cells read 0 Volts, and an ohmmeter reads less than 1 Ohm when connected to the 0 Volt cell). If it is a memory problem, it is possible to recondition it, but not simple. You have to remove the pack, then connect a 150 Ohm resistor across each cell and let the battery sit until the cells are completely discharged. You can't just connect a resistor across the entire battery pack because the stronger cells will reverse-charge the weaker ones, which will cause them to short out.

Running the battery too far down will cause the reverse-charge problem, but not running it down at least occasionally will cause the memory problem. (Memory problem explained: the cadmium crystals grow when the battery is charged and shrink as it is discharged. However, the larger ones tend to remain intact on discharge and grow faster than the smaller ones. Eventually they block the ion flow through the battery, so the battery loses capacity. It's called a memory effect because the battery only "remembers" it has the capacity to go down as far as it is habitually used. Running the cell all the way down dissolves the over-sized crystals.)

It is possible you have a problem with the charger. Check for voltage on the charger plug. It should be about the rated output voltage printed on the charger box before messing with the battery.

Apr 23, 2011 | Dirt Devil BD20035 Bagless Stick Vacuum

1 Answer

By blackberry flip turned off in the middle of a call and I have not been able to to turn it on since. I changed the battery and that did not work. Any ideas?


it may be that battery is faulty, and is not charging.

A standard cellphone battery can support a charge from near empty to full about 300-500 times. after that, the charge is not 'filling' the battery, and it is drained quicker.

You can test the ability of the battery to hold a charge.


1. Plug the cell phone into its charger and plug the other end in to an electrical outlet. Allow the battery charge to full capacity.

2. Press and hold the power button on the cell phone to turn it off. Let the phone power down and remove the back cover to access the battery.

3. Remove the battery and observe the label for the voltage. Most cell phone batteries are 3.4 to 4.5 volts.

4. Turn on a multimeter. A multimeter tests current flow in voltage and amps and also resistance in a circuit. Place the black test probe on the negative battery contact and the red test probe on the positive battery contact. The contacts are on the edge or bottom of the battery and should be marked negative (-) and positive (+).

5. Place one test probe on the left terminal and one on the right, if the battery terminals are not marked. These are usually the correct terminals and the meter will show a positive reading. If the meter shows a negative reading, move the left or right probe to the middle terminal until one pair shows a positive reading.

6. Read the display on the multimeter. The voltage should be the same or a little higher than the battery label due to the fact that batteries hold an additional charge above the full charge mark when they have just been charged.


You can go to your local mobile store, and ask them to try another battery in your phone. if it works, great, you just need a new battery.
If not, well, the phone might have water damage, could have a circuit shorted out or something unusual. eitherway, if the phone doesnt turn on, you need to take it to the vendor, who has resources to test the equipment.

make a friend with someone who also has a Blackberry 8220, maybe you can try their battery for free, and if they arent looking, pull a switcheroo!

Mar 08, 2011 | RIM BlackBerry Pearl Flip 8220 Cellular...

1 Answer

Why wont my samsung c3050 charge


Check your adaptor for voltage, if not voltage replace , if there is voltage then connect the adatper with the battery removed and check the voltage at the battery contacts, if there is not voltage at the terminals, thent he borad is faulty , you have to remove and check the regulator/charging section for failed components or break in lead to the terminals.

Oct 05, 2010 | Samsung C3050 Cell Phone

1 Answer

Malibu landscape lighting transformer problem


Testing ohms across A and B will read open circuit through transformer coil.
Testing DC voltage across terminals A and B should read 12 volts DC, and nothing less.
Transformer should make humming sound when working.
Test that receptacle has power and breaker is not tripped.

There are no repair parts for power packs, but they come with 5 year limited warranty.

For more information on Intermatic/Malibu power packs showing troubleshoot steps, replacement trippers, useful links, warranties and tips:
http://waterheatertimer.org/Malibu-power-pack-stopped-working.html

May 30, 2009 | Intermatic Malibu 300W Power Pack...

1 Answer

Is the third wire positive or negative going into the battery on a Kawasaki 1100zx jet ski?


Most lithium ion battery packs I have come across, that typically have three terminals, have a terminal to allow the charger to do one of two things. This terminal will give the charger circuit a temperature reading, or, it will give it a reference to allow for both cells to have a balanced charge. On the battery I used for one of my projects there was a board that measured the voltage across 3 different cells to prevent over charging, over current, and undervoltage conditions. Without

May 17, 2009 | Nikon EN-EL6 Lithium-Ion Rechargeable...

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