Question about MGE Evolution 1550 1440VA Tower UPS (81709) UPS System

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Load not protected

Red light

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It means inverter is off

Posted on Feb 02, 2015

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Posted on Jan 02, 2017

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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

1 Answer

300W Pyramid PA305 protection light


What is the speaker load in Ohms that you are running? Or what exactly is hooked up to it? are you bridging it? The protection light will come on if the load is too much for the amp to handel. If the load (in Ohms) is less than the rated load that it can run, it will stop the output to keep the amp from self destructing. The amp will sense that the demand for power will be too high for the amps circuitry which will either make the amp get so hot that it will burn up the copper on the board or more likely burn up the power mosfetts that power the speakers. If the Ohms are within range then it will allow power to flow through the circuit until the rails that the mosfetts are bound to until they get so hot that it will go into thermal protection. So if your amp has both thermal and overload protection lights and the overload is light then the load is probably too much for the amp. if it's bridged in mono the you can only have 1 speaker setup hooked up it if it's a 2 channel amp. a 4 channel amp bridged in mono for both front and rear channels will be able to have 2 speakers rated a 4 ohms each hooked up to the amp 1 set per bridged output or channel.
Try it running in stereo with only 1 speaker per channel and see if it will produce sound. If not then you have an amp that has internal problems and will need to be serviced. Check your warranty to see if you are covered.

Apr 02, 2013 | Pyramid PA305 150 Watt PA Amplifier Car...

1 Answer

Going to protective mode with load sounds, why?


Sounds like a speaker going bad or being over-driven.

Feb 28, 2013 | Integra DTM-5.3 Receiver

1 Answer

Have b/r/w coming in....b/w go to old duplex outlet...black from outlet to switch..red direct to light switch...want to replace duplex with gfci and add a two switch device, one switch controlling existing...


Hi Augie, I'm an electrician and can help you with this problem.

First, a couple of notes. You must provide GFCI protection for a fixture (light, fan, etc.) in a shower under any of the following conditions: 1) If the manufacturer specifies this protection in this location (nearly every fan in a shower requires this protection), 2) If the local / state electrical code requires it (the National Electric Code does not have such a requirement) and 3) If the local wiring inspector requires it. You can argue with the inspector if there is no local / state requirement - but is usually not worth the effort.

Next, cautionary notes: Nuisance tripping of GFCI devices have nearly been eliminated in newer fixtures and small motor loads. Some older fluorescent fixtures and larger motor loads may cause some trouble - but that's about it especially if an inspector is requiring the protection (this happens pretty often). If a newer light fixture is tripping a GFCI device - something is wrong. This should be fully checked out before powering it again. There is a very real potential for shock or burns under the right conditions. Use extreme caution here. Maybe a new fixture is in order??

Finally, to your question. Most GFCI outlets have LINE and LOAD terminals. This means that anything connected to the LOAD terminals will have the benefit of GFCI protection. The line terminals however, are not protected.

If you connect the circuit that you do NOT want to have GFCI protection to the wires that will be connected to the LINE terminals, no GFCI protection will be afforded to them.

The circuit that you DO wish to have GFCI protection should be connected to the LOAD terminals. Since you can not secure two wires to a terminal, you will need to connect a short length (8") of insulated wire to each of the line terminal screws (silver and gold screws) and connect the other end to the wires that supply power to this GFCI outlet *and* the wires that will provide non-GFCI protected power to the light fixture through the switch; with wirenuts.

Basically, the jumper from the outlet to the switch can not come from the LOAD terminal - instead it must come before the protection - from the wire that brings "hot" power to the LINE terminal side. The same holds true for the white neutral wire that connects to the fixture; it can not come from the LOAD terminal - it must come from the wire that brings "neutral" power to the LINE terminal of the GFCI outlet.

I hope this helps and good luck! If you have more questions - ask away.

May 07, 2012 | Electrical Supplies

1 Answer

The red light for the drain came on durring a load. What could be the problem?


Hi, it means the flood protection device has activated. This is caused by a leak in the machine. It can also be caused if you are not careful when checking the drain pump,water may have gone back into appliance and activated flood protection device. If this is the case Tip machine forward,water in base of appliance will run out, and appliance will work.

Feb 19, 2011 | Miele Novotronic Premier 500 Front Load...

2 Answers

The red protect light is coming on


It is possible that your amp is going over the threshold limit of draining current to give out the protect signal. What could be done is to first checkout if your speakers are loading the amplifier, check the rating of the speakers and the impedance, must not be too low.below 2 ohms. Now check the source signal if this is bringing in any transcient signals to power out the outputs particularily high/low freq. So decrease off your bass and treble to mid position and test again. see if there is any improvement, if so there could be a filter problem with your set. Connect an external source and see if the amp powers better , in such case check for fault in cables, input lines and ground with in the set. Repeat this and check. Hope this helps you out. Good day

Jul 19, 2010 | Verge VGA285 Car Audio Amplifier

1 Answer

My visonik v700hc keeps going into protect modeafter listening for a couple minuits then will go green light then back to red after a coupke more any solutions


I suggest checking what ohm load you're presenting to that amp. go to www.the12volt.com and find the subwoofer wiring diagram and choosing the amount of subs you have on it and then the impedence of each one. you're probably sending too low of an ohm load to the amp this would cause it to go into protection quite frequently and eventually stay in protection.

May 30, 2010 | Visonik V700HC Car Audio Amplifier

1 Answer

After turning ON the power/standby switch, the unit(receiver) display comes ON (green light) then after approx.4-5 seconds the display goes OFF and the unit defaults back to the standby mode (red light). I...


Is the red light flashing at first?
The unit may be going into protect mode. Lets hope it has done the job and the receiver has protected itself from failure.
Protect mode can result from speaker wires touching each other or the Amps2_bing.gif metal case. Check that first.
It can also be caused by unstable ohm loads if too many speakers2_bing.gif are connected to any of the outputs especially zone 2.
If you can remove all speaker wires and turn the unit back on. If it stays on, turn the volume down on the main zone and zone 2 if connected. Then reconnect speaker wires.

Nov 16, 2009 | Denon AVR-485 Receiver

1 Answer

Red lights flashing


The term to google is waste pad counter or protection counter, there are loads of sites and discussions on the subject. what has likely happened is the charging of the new ink cartridges has pushed the counter over the brink.

Jun 05, 2009 | Epson Stylus Photo R200 InkJet Printer

1 Answer

Power light turns from green to red protect mode and then there is no sound coming from my speakers


there are 2 reasons for it to be going into protect mode 1 is heat 2 is the load on it. if it is going into protect mode soon after it starts there is a problem with the speaker. if it is after it has been on for a while it is that the amp itself is overheating. hope this answers your question

Apr 27, 2009 | SPL Audio Phantom DK2-1000 Car Amp

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