I have the exact problem with a brand new portable AC. After hearing
the pop noise there is no power going into the unit. Does this have anything to do with having it plugged into a 20 amp exclusive socket designed for a window AC while the unit states that it takes 6.5 amps? Is this something
that any air conditioner repair can do or a professional electrician
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Re: exact same thing happened to me
The 20 amp circuit should more than handle a 6.5 amp load, the 6.5 is the rating of the operating AC not of the circuit that is required to be attached to it. If the "pop" noise is the breaker tripping the circuit may be miswired, the unit mayhave a short to ground, as the circuit breaker is designed to trip on an over amp situation or a situation where 20 amps is exceeded. Di you verify that the circuit voltage id correct, eg: 220 volt or 110 volts. and that it matches the unit nameplate.
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When the AC is turned on, a number of things happen: the cooling fan is engaged, the idle speed is increased to account for the additional load of the compressor, and the AC clutch is engaged. My guess is that what you are hearing is the AC Clutch rattling due to a worn input shaft bearing. As soon as it is engaged, the noise goes away. It is possible that something else is going on here, but I would be tempted to focus on the AC compressor as the SOUND portion of your problem. When you say "...she makes noise like loss of power or stalling, I am not sure what you mean. Is it a noise, or is it actually losing power. With no MIL (check engine) light on and if the noise goes away after servicing the compressor, I would say you are fixed up. Good Luck.
AT FIRST YOU COUNT YOUR BAT AND MULTIPLY 1.5 THEN YOU USE A ADAPTER AC TO DC WITH SAME VOLTAGE LIKE 6 V OR 9V DC
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I'm sorry to hear your DC07 is making a popping noise in use. Unusual noises can be caused by a number of different issues, and in order to determine exactly what's causing this we would need to hear it. I'd encourage you to call our freephone customer Helpline on 0800 298 0298 (UK), or 1-866-693-9766 (US). One of our experts will be able to listen to the machine over the phone and diagnose the cause of the issue.
Most probably a capacitor exploded either in the AC adapter or on the laptop's motherboard. In order to find out where the damage exactly happened, you can either test your AC adapter with another similar laptop, or test a new AC adapter with your laptop. Alternatively, you can test the output voltage from your AC adapter using a voltmeter. If the AC adapter turns out to be working properly, then the damage happened on the motherboard. You will need to disassemble the laptop to get access to the motherboard & inspect it. The exploded capacitor could be replaced with a new one to fix the problem.
The problem is with the AC adapter itself and is a very common problem with Dell AC adapters. My suggestion would be to get an aftermarket AC adapter that can be purchased on eBay as the Dell adapter is around 100.00. You can pick up an aftermarket one on eBay for around 20.00. The problem is a resistor inside the AC adapter that senses when a Dell branded adapter is inserted. What happens is that the resistor will get damaged and since it doesn't recognize the charger as a Dell branded one anymore it won't charge. However it will still run the laptop as long as it's connected. A lot of aftermarket AC adapters bypass this function and work perfectly fine.
the first thing i would do is do a bios update for the machine whilst using AC power, that may well iron the problem out, if not then there is a problem with the laptop itself i.e. a power drain, sizzling and popping noises is not good at all and could damage the machine further, remove the battery and check the connections on the laptop, dust and hair conduct electricity, it could be as simple as that, it is also a known fact that some lithium batteries are faulty and have been known to blow up whilst in use. Go to the laptops support website to find out if they have been having problems with batteries and if there any returns proceedures
Karmakin, the popping you hear is probably the refrigerant entering the evaporator coils. Some are worse than others. You need to call for service since this is brand new. Sometimes they can insulate the cap tube going into the evap and the dryer to supress this noise. Best thing to do is call for service...Catriver..post back.