Solved: I have alarm #149 showing on my Dell Rack 1000W UPS. ANSI American National Standard Institute. The power flow will show green from Utility 2 to the load. Displayed Alarm Messages 4 iButton Fault Alarm (TLS4/TLS-450PLUS only) System iButton failure. system inside the UPS . See embedded image. The alarm will be active a maximum of 10 days. The user manual says this alarm is "A faulted battery string has been detected and Changing battery replacement values is like configuring and alarm clock reminder; these values have no effect upon LanSafe other … Overload alarm lights and sound. Although this incident stranded us without power for only minutes, the recovery process took months. The unit will continue to run, but a battery ground leakage detection monitor will sense the ground current, and then can trigger an alarm on the monitor, and/or through a “building alarm” in the UPS. After the duration of 30 days, the user will be able to access only the fol- If the alarm is still present please follow the standard RMA process and request a replacement unit. ... AC or ac Alternating current, also implies root-mean-square (rms). Check the Site Wiring Fault Indicator Location: Top right corner of UPS back panel. a “ground fault” alarm. Can anyone translate what its trying to say? Effective testing of a UPS system is a complex and potentially dangerous operation if you don't do it correctly. Single-Module UPS On Bypass If there is a major fault in the UPS it will transfer to bypass. Fault / Alarm (2): the corresponding code is displayed . Consequently, the UPS manufacturer may set alarm trigger levels to limit nuisance alarms. 12 . If you are reinstalling the software or have replaced a UPS battery you may need to change the battery replacement information. It just has an illuminated Fault LED, and the 3rd and 4th Battery Level LEDs on. I can't find a fault finding guide anywhere, other than 'engineer required'. After 10 years of successful uninterrupted operation, the UPS systems in our data center failed. My ups, after 5 years of continuous operation shows the overload's light . My UPS vendor has checked the ups and mentioned that the fault is due to the incoming supply having issues which I googled on … System detected Damaged or Corrupted iButton. We have an APC SURT5000XLI UPS that will not power up. Perform the self-test procedure to confirm replace battery conditions. The alarm stops when the battery passes the self-test. These detection circuits are reportedly the most sensitive and most prone to nuisance alarms. I unplugged the PC and I replaced the battery but I have not solved the problem. (2) The FAULT / LOCK codes can only be displayed if they are active (presence of a fault/alarm or a lock). The warning has been active 20 days and has transitioned to an alarm. Hi Admins, I have a question on the APC Smart-UPS 1000RM. Then I opened it to see if there are components that are burned or leak but nothing. An internal fault in the UPS or a problem with the motor-generator set is usually not a critical condition, an alarm signal will give you an early warning before the power is lost. Alarm Warning of a fault or major status change condition. Additionally, the location of the ground fault and the resistance of the fault path can affect the detection and alarm capability of the circuit. BYPASS NOT AVAILABLE in the display : This is not a fault with the UPS, but a warning to you that the incoming mains is out of tolerance and is therefore not available as a bypass path should it be needed by the UPS. The UPS repeats the alarm every five hours. Lock (2): the corresponding code is displayed (1) The values shown in the images in the table are purely as an indication. The gui on the home page mentions 1 Critical Alarm Present - Site Wiring Fault. C. A fault in the battery is much more serious since battery problems are not easily detected when the UPS is in normal stand-by mode. The same condition will exist in a UPS system with a (single) battery ground fault.