Question about RoadPro RPPI-2500W Inverter

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Inverter fan kicks on after turning on a light bulb

After a few minutes fan in the inverter kicks on is this normal. I have a battery bank of 4-6 volt batteries fully charged and an inverter 1750.

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Yes the ic chip tells fan to start up.

Posted on Jul 27, 2009

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Yes this is to keep the inverter from overheating while in operation.

Posted on Jul 24, 2009

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The inverter fan just kicks on to keep the system from overheating. Its perfectly normal.

Posted on Jul 24, 2009

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1 Answer

My 1000w eliminator inverter only puts out 100w. overloads and goes to Fault


Check your battery voltage when running the inverter. At 100W, the voltage may drop several millivolts maximum, initially and will slowly drop. At 100W, the inverter may draw 15 to 20 amps from the battery. At 1000W, the inverter will draw upwards of 100A which is very hard for most batteries to provide for very long. I have a 5000W inverter connected to a 12V, 830AH battery bank. At 600W output, the inverter draws 70A. At 1500W, it draws almost 150A. At 600W output the battery voltage will drop almost 2 volts over 8 hours of operation. At 1500W, I would get maybe 5 hours, but I have never run a load like this for any length of time.

If you put a 100W load on the battery and the voltage drops 2 volts very quickly, then the battery is shot.

Jan 11, 2018 | Inverter Electronics - Others

1 Answer

COLEMAN INVERTER PMP1200 JUST BEEPS WHEN TURNED ON


It is most likely the low voltage alarm. Suggest connecting when the car is running with no load (110 volts not connected). If the alarm continues turn the unit off and on to reset.

Hope this helps?

Inverter Protection Features
• Short Circuit Protection. The inverter will automatically shut down until short is removed.
• Low Voltage Alarm. An alarm will sound when the voltage from the battery discharges to 10.5 +/- 0.5 volts DC. This is an indication that the battery needs to be recharged.
• Over Voltage Protection. The RED LED Indicator Light will illuminate and the inverter will automatically turn itself off when the input exceeds 16.5 +/- 1 volt DC.
• Under Voltage Protection. The RED LED Indicator Light will illuminate and the inverter will automatically turn itself off when the input is less than 10.0 +/- 0.5 volts DC.
• Overload Protection. The RED LED Indicator Light will illuminate and the inverter will automatically turn itself off when the continuous draw of the equipment being operated exceeds 1200 watts or the surge draw of the equipment exceeds 2400 watts.
• Thermal Protection. The RED LED Indicator Light will illuminate and the inverter will automatically turn itself off when the circuit temperature exceeds 150° F

Sep 13, 2016 | Electronics - Others

3 Answers

What could be my problems if my battery was week but when I jump start it on my rv the lights worked but the 120 volt wouldn't


the 120 volt works of an inverter that takes a strong battery for it to work
jump starting is only 12 volts and that is expanded to 120 volts by the inverter
jump starting could also damaged the inverter with a power surge from connecting and disconnecting the jumper battery
Fit a new battery or have the old one load tested to ensure that the battery is failing
have the inverter tested for operation
could be a simple fuse in the inverter

Jun 18, 2016 | Forest River 2012 Rockwood Windjammer...

2 Answers

Dometic brisk 2 AC can it be operated on a 24 volt inverter.


If your inverter puts out enough power, sure. It may drain your batteries pretty fast, though. Check the power rating of your AC and compare it to the power output of the inverter. Add a safe margin for everything else you want to run at the same time.

Oct 29, 2015 | Dometic Rooftop RV Air Conditioner

1 Answer

What is the cause of the red fault light coming on whenever I turn on my Powertech Inverter mi-5112. I have no power from the unit when the DC source is 2 x 105 A/Hr batteries, showing 13.3 volts.


Remove any load that you might have on the inverter. Turn the inverter on and if this still happens, then the inverter needs repair/replacement. Also watch the battery voltage. If it drops more than 0.2 volts, then the batteries are likely discharged or defective.

Jul 08, 2015 | Inverter Electronics - Others

1 Answer

It does not seem to be charging the batteries. 12 volt lights work good for about 2 days then go dim until I put a charger on the batteries and bring them back into working order. The battery connect...


The Parallax 7155 converter should not require battery support for any 12 volt load amperage that is less than the maximum amperage capacity of the converter. A standard RV incandescent 12 volt lamp draws about 1.5 amperes for each bulb. With the battery disconnected and other 12 volt loads off, turn on lamps (not fixtures) and calculate the number of bulbs which can be turned on. If you run out of lamps, turn on vent fans etc. The idea here is to try to get to 55 amperes of DC load if possible without going over 55 amperes. At a sustained DC load of about 25-30 amperes or higher, the fans should cycle on continuously after about 5 -10 minutes. Lamp brightness should be normal and the measured voltage from the converter should be above 13 volts if under 55 amps of DC load. If the voltage drops with only a few lamps on, a converter issue would be likely.

Diagnostic tests an RV technician should make would be to:
1. Disconnect the battery system.
2. With the converter system powered on, measure the DC amperage with a DC ammeter capable of reading at least 60 amperes DC from the blue lead at the DC fuse panel terminal VCC.
3. Measure the DC voltage at terminal VCC and DC ground.
4. Record both readings.
At any DC load amperage less than 55 amps, the voltage should be above 13.0-13.2 volts DC. This method should take out all guesswork and confirm a DC converter section issue or not.

Nov 04, 2013 | Parallax Power Supply Parallax 7100 Series...

1 Answer

I have a Vizio VF550XVT1A. First problem was a flickering screen that ended with the TV turning off. I replaced both invertor boards and the TV seemed to work fine for a few weeks. Now the TV works fine...


Good day sir Alfred!!!!

If your screen turns to back after a minutes but the sounds is normal..That problem is very common to all flat panel specially to LCD TV..

OK,I need to know first if your TV having a back-light when the picture went out after a minutes.If that so the possible problem is T-CON board (this board is the responsible to produce a video on all LCD TV)..

If you don't have back-light the problem is inverter board again..But before you order or install new inverter board try to find why the inverter board gone only on few weeks after you install it..the possible problem why the inverter board faulty for the short period of time is higher/lower input voltages (24vdc) comes from power supply..try to check it using volt meter or multimeter tester..it should be read 24vdc on meter..let me know if the voltage drop or higher to 24..

If the 24vdc is fine the only problem is the condition of inverter board maybe its used or partially faulty when you buy it..

if you have more queries and clarification regarding my solution please feel free to reply on this tread...

Hope it helps..

Thanks for using fixya..

Feb 18, 2012 | Vizio Televison & Video

1 Answer

I have an inverter, then a UPS, as the inverter does not always keep the PC on. The inverter does not power the UPS so it cuts out after a few mins, I then have to take the UPS out of the system until the...


Hello,

As I understand your statement, Your inverter (Powerline 200watt) has the UPS plugged into it, but it is not able to keep the UPS powered on. You didn't mention the size of the load (PC), nor the wattage rating of the UPS, or the batter bank size that supplies the inverter.

It sounds like you are trying to create an electrical system with double redundancy. If this is the case, you are going about it wrong. Most inexpensive inverters will have a Modified Sine Wave output, that the UPS will detect as a poor AC signal, and revert to backup mode, rather than pass the inverter power to the load.

200 watts isn't going to be very much for anything. 200watts / 120 volts (assuming 120vac system) is only 1.6amps or so. The charger on the UPS will likely use this much just to keep the internal battery topped off. As the PC is turned on, and the battery charger is doing its thing, there now exists an overload at the inverter. The inverter will respond by trying to increase its output by lengthening the pulses in the MSW waveform. The UPS then sees this, interprets it as bad power, and kicks into backup mode.

Since the powerline inverter is obviously a 12volt unit (cig. lighter plug), then check the battery configuration of the UPS itself. If it is 12volts as well, then you may be able to connect the UPS directly to the batteries that were powering the inverter. Note that some modification to the UPS will be needed if there external battery connections are not already present. Even then, there is no guarantee that the charger in the UPS will be able to charge the internal plus an external battery bank.

Since the battery that powers the inverter is likely larger than that of the UPS, why not run the PC directly off the inverter itself and forgo the use of the UPS altogether?

Nov 02, 2009 | Powerline 200Watt DC to AC inverter...

5 Answers

Low voltage output from inverter


I am thinking this a high impediance device problem and this is normal operation - the user manual of my inverter warns about use with high impediance devices - if not I am interested also...

Jan 23, 2009 | Electronics - Others

1 Answer

The fan on my 1200 watt inverter does not start when turned on.


No. the fan is to remove heat(obviously) If there is a small or no load on the inverter the fan wont come on(no heat to get rid of)..........this is so a lightly loaded inverter wont kill your batteries as fast.If you load it up(power something big or power several things at once) the fan should start after a few minutes
hope this helps.Good Luck!

Dec 13, 2008 | Whistler PI-1200W 1200-Watt Power Inverter...

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