UPS SYSTEM DIED FOR SEVERAL MONTHS. NO LIGHTS OR ERROR CODES ON THE CONTROL BUTTON. HOWEVER CEILING LIGHTS IN ELEVATOR WERE ON. TURNED OFF BOTH CIRCUIT BREAKERS AND CEILING LIGHTS WERE STILL ON. LIGHT BULBS WERE UNSCREWED AND LEFT FOR ABOUT ANOTHER MONTH.

I REPLACED UPS, SCREWED LIGHT BULBS IN. ELEVATOR WORKS. CONTROL WORKS. BUT LIGHTS DO NOT. PUT IN NEW LIGHT BULBS AND RESET STILL EVERYTHING WORKS BUT THE LIGHTS.... TRIED SEVERAL TIMES I ALSO TURNED OFF SWITCHES FOR THE ELEVATOR AND LIGHTS THAT ARE ABOVE CAB, STILL THE LIGHTS DO NOT WORK. HELP!