Question about GE 7-4897 Clock Radio

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How to I switch over to battery when there is no power

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The battery is just for backup, When the power goes (Off) You can,t change it (Over) To battery (Power) The battery is just there to keep the time on the clock, That you don,t have to reset it when the (Power) Comes back (On)

Posted on Oct 29, 2012


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Posted on Jan 02, 2017


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My coach battery isn't transferring voltage to the coach.It has a TS30 Power switch and an inverter. It is a Class C 1999 Jayco Eagle. Any suggestions? Thanks in advance!!

Check the fuse panels. If you are not hearing the "clunk" when you cycle the power switch on and off then it's probably a blown 10A fuse for the battery power solenoids.

Feb 25, 2015 | RVs


How to Wire On-Board Marine Battery Chargers

Battery chargers are wired into a boat's electrical system. Wiring the charger to a battery switch permits the charging of the individual batteries or battery banks. The switch can be configured to charge both batteries or battery banks at once. Mounting the charger in the vessel keeps the charger where it will do the most good--connected to the batteries. This is useful if you are stuck with low batteries and need a recharge. Power from a generator, shore power or even AC power from another vessel can be used to get you going again

Instructions Things You'll Need:
Battery charger
Battery switch
Battery cable (sized)
Cable cutters
Razor knife
Battery terminal lugs
Lug crimper
Terminal kit
Terminal crimper
Step 1

Mount the battery switch with the mounting kit provided by the manufacturer. The switch should be accessible but close to the battery or battery banks.
Step 2
Mount the battery charger in a location that will be accessible but protected from the elements. Mount the charger close to the battery switch to reduce the size of the charger leads.
Step 3
Connect the battery cables to the battery switch. Mount the battery cables onto their corresponding terminal studs on the battery switch.
Step 4
Lay out the battery positive cable from the charger to the switch and cut it to length with the cable cutters. Strip 3/4 inch of insulation from the cable ends with a razor knife. Splice the cable to the hot wire from the charger with a **** connector and the terminal crimper. Crimp a terminal lug onto the battery end of the cable with the lug crimper and a hammer. Connect the terminal lug at the battery switch positive output terminal.
Step 5
Lay out a battery cable from the charger to the battery negative terminal block. Cut the cable to length and strip 3/4 inch of insulation from the ends with a razor knife. Connect the battery negative cable to the charger negative power lead with a ****-splice and the terminal crimpers. Crimp a terminal lug onto the terminal block end of the cable with the lug crimper and a hammer. Connect the terminal lug at the battery negative terminal block post.

Tips & Warnings
Set the switch to "1," "2" or "both" to charge battery bank 1, bank 2 or both batteries at once.

on Jan 07, 2010 | Mercedes-Benz C230 Cars & Trucks

1 Answer

Will not switch on

Remove the power plug and battery. Press power for 30seconds to discharge the system. Connect the power plug but not the battery and press power. That may work,

Nov 18, 2013 | Toshiba Tecra M5-S433 Notebook

1 Answer

No power on

If the laptop battery is normal, but can not boot, check the power switch. Laptop power switch using a micro switch.

Check the power switch circuit when the power switch is in addition to checking the performance is good outside, but also check the external circuit components for damage.

If the battery power for laptops. But is not charging properly, or does not use the power adapter, then it should be checked laptop power interface circuit and peripheral components.

Sep 23, 2013 | HP Compaq nx6325 Notebook

1 Answer

What to check if it wont turn over does nothing

Start at the battery. Check for clean, tight connections. Any chance it is discharged? It needs to be at lest 12.6 volts on a voltmeter to be ready to start the car.
Is there power from battery to the ignition switch? Turn key on. Do warning lights and gauges come on? And accessories work? Then there is power to the switch. If nothing, start checking fuses and fusible links that pass power from battery to the switch.
An electrical circuit is a complete electrical path from a power source to an electrical load to ground, and back to the power source-the battery. The starting circuit is just such a circuit. From the battery to the key switch to a relay or switch (neutral safety switch) or two, to the starter, and then to ground-back to the battery. If the key turns power on, one could next see if power is getting to the starter solenoid, mounted on the starter. The small wire to the solenoid should have power to it when the key is held in crank position. Use a test light or voltmeter to check for power there. If has power, likely the starter or solenoid is bad. You then need to take it off and have it tested-a free service at most parts stores. If no power is getting to the solenoid, but the ignition switch has power, further testing of the start circuit will have to be done -the clutch switch (or neutral/park switch if automatic trans.), the starter relay, and whatever else is in your starting circuit.
If car has an alarm system, make sure it is not activated, so the immobilizer function is not causing a no start.
Good luck. Post back with results.

Jun 29, 2013 | 1990 Chevrolet Corsica

1 Answer

Power window on drivers side

You will have to check for power at the switch, and at the motor. Pull the panel off and check the wiring for breaks, first. Then use a battery source and jumper wires to the motor,. to see if it is good or not. You set a battery by the door, and use jumper wires to hook up the motor, one on each side of the battery and the motor. If nothing, switch the wires on the battery-motor should run the other way, then. If nothing still, the motor is probably needing replacement. If the motor is good, and you have power to the switch, the switch must be bad. If no power to the switch, you must have a break in the power feed from the master switch on the driver's door.
Good luck.

Apr 28, 2012 | 2001 Volkswagen Beetle

3 Answers

Can i have all the basic details of UPS system

UPS come in two types, lower powered cheaper types are usually switch over power.
These units senses a power outage and then switch over to the battery power to generate mains supply. The switch over occurs in milli-secs and does not affect the computer.
True UPS types constantly run off battery power to generate mains supply so there is no switch over time lag. These units are higher powered and higher costs units.

Both type of UPS have the same components.
Battery charger.
Inverter that converts battery voltage to mains voltage
Electronic controls

Dec 16, 2010 | Emerson PowerSure Personal 500VA...

2 Answers

Getting no power to nothing. Battery good. starter relay

I don't think it's your relay, if you've got power to nothing.Unless it is somehow shorting to the frame.

Likely candidate is the key switch itself. Check the wire that feeds the switch from the battery. If it doesn't have power, you likely have a broken wire or hidden fuse.

If it's got power check the other wires coming from the switch for power with the switch on. If no power there, the switch is bad.

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Jun 11, 2010 | 1997 Honda VT 1100 C Shadow Spirit

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Sir after changing the battery ups worked well one day and the next day onwards when i pressed the switch red and amber lights blinking and the upc trips with beep sound .kindly give the solution

Batteries in the UPS typically last 3 to 5 years and it depends upon several factors. including the number of times the unit must go on battery power and environmental conditions. There are usually several batteries in the UPS and while the battery voltage may show 13 volts, this may only be a float charge/voltage and a true indication of the battery voltage and condition requires the batteries to be tested under a load. There maybe one battery in a set of batteries that is faulty and causes the whole battery system to fail and indicate a battery fault.

These lower powered and cheaper KVA type UPS are switch over types, when the mains supply fail, the UPS switches over to the inverter in milli-seconds which then supplies mains power but the power waveform is a pseudo sine wave (ie not a true sinewave. A faulty inverter circuit won’t deliver power when the mains supply fails.

The true UPS types are usually the higher KVA units (over 1500 VA) that supplies uninterrupted mains power. The mains power is connected to a charger which charges the batteries and the inverter draws power from these batteries and converts it to true sine wave mains power therefore there is no switch over time lag from the mains to the battery.

Oct 16, 2009 | APC Computers & Internet

1 Answer

Battery died after experancing power door didn't close fully...

if you turn off the switch for the interior lights,an override,it will prevent the battery from going dead until you can get the door alignment or switch repaired.the interior lights,there is more than 5 will kill the battery for sure.

May 23, 2009 | 2003 Chevrolet Venture Passanger

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