We lost power in our building, then had a period of "brown out" where the computers worked but there didn't seem to be enough voltage for the video electronics which were trying to turn on. When power was restored the T20062BC Combo would not turn on.
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Well you've lost power to one or two major circuits. Could be a problem with the key switch or a major fuse in the engine compartment. I would check the fuses for power and find out which ones are dead then go from there.
Power up issues on the T220HD monitor are caused by a failure of the capacitors on the IP-49135b power supply board that this unit uses. The repair is easy, you just need to replace the 7 failed capacitors and the unit should be as good as new. Here is a link to some information showing what needs to be replaced to repair the power supply board.
It is very possible you could've running with one burned out for a while and didn't notice uad a power serge or it's possible you have been running with one out for a while and didn't notice till the other went out. Try turning on the high beems if they work replace the bulbs..
It sounds like you suffered a brown-out and that has damaged the printer. Contact the utility company, as them why the power went out and how to make a claim for damaged electrical equipment because of it.
- try to use a known working power adapter with the same specs, it might be the power adapter is not supplying enough power, or
- try to press the reset button (if it has one) for like 30 secs, then turn the device off for another 30 secs. (Note: this might delete all the settings on the device)
- most probably the device is dead if same thing happens after pressing the reset button.
Brown-out .... What is it?Brown-out is a condition of lower than normal power line voltage being supplied by your local utility or generating equipment. This condition may be short term (minutes to hours) or long term (1/2 day or more). A power line voltage reduction of 8 - 12% is usually considered a Brown-out. What causes Brown-outs?Electric utilities (your local, lovable Power Company) may occassionally reduce line voltage to Brown-out levels in an effort to adequately manage power generation and distribution during periods of heavy usage. Very hot days, when most air conditioning and refrigeration equipment would be operating almost continuously, is an example of such a situation. Even without utility intervention, extreme overloads caused by most air conditioning and refrigeration equipment operation could tax the electrical distribution system to the point where a permanent brown-out state could exist over much of the power company distribution network. Locations at ends of long electric distribution lines may experience chronic Brown-out conditions due to line loss. Intermittent heavy loads on this trunk circuit may cause the Brown-out effect to fluctuate with the load. Installations using ship-board or temporary power sources are especially prone to operation in a Brown-out mode. Usually of limited capacity, it is quite easy to overload the power source, giving rise to permanent Brown-out. (Permanent Black-out, if users are not careful). What are some common effects of Brown-outs?Brown-outs are the mother of all sorts of Bad Stuff. Power supplies in some electronic equipment may fall out of regulation. Errors, due to erratic power supply performance, may creep into computer operations.Other electronic equipment may function poorly - or not function at all. Marginally performing devices (electronic or electric) will probably cease operation entirely. Motors will overheat. Some motor types will slow down. Electrical interference will greatly increase. Increased interference may affect computer and communication operations. Off-line UPS units (the vast majority of lower cost units) continuously cycle between power line and internal battery operation. UPS batteries (generally sized to provide only 5 - 10 minutes back-up) will soon be discharged, unable to generate additional Back Up power. You are out of business. If system has not been shut-down, the entire system (UPS & computer) may snap back to life when power rises slightly, only to again shut down when the power line voltage falls back into the Brown-out zone. Such "ON-OFF" operational cycling is unhealthy for UPS, batteries and connected electronics. For Brown-out correction see our Voltage Regulator Page. Spikes generated by electrical machinery also greatly increase. Air conditioners, refrigerators and other motorized devices generate local spikes. Industrial machinery (often miles away) create additional spikes which may find their way unto the electrical distribution system, and into your sensitive, valuable equipment.