What do the lights on UPS mean?
Your UPS provides indicator lights to let you know how it’s operating. System Status: Green = normal operation. DC: Green = battery is supplying power (see diagram below for alarm details) Mute: Orange = alarm muted (see diagram below for muting instructions) Replace Battery: Red = battery replacement required.
What is the meaning of red light in APC UPS?
A flashing red LED with constant tone typically indicates a battery disconnect alarm. This could mean that the battery is disconnected, dead (even though it is connected) or there is an issue with the UPS not detecting a healthy battery.
Why are the battery charge LEDS flashing on a Smart UPS?
When you replaced the battery, the UPS sensed the battery was holding a charge and the replace battery light went off, but the UPS really doesn’t have a way of knowing how good this battery is. So the blinking lights remain to let you know the UPS doesn’t think that it can provide more than two minutes of run time.
Which light indicates that the UPS backup is full?
Red Overload LED: on solid This symptom is also accompanied by a shrill constant tone. If the overload is strong enough, the UPS may shut down and turn off its output power in order to protect its internal circuitry from damage.
What does green light in UPS mean?
Green On Line LED: on solid This indicates that the UPS is operating normally on utility power from your wall socket. The battery is not being used at this time.
Why does UPS blink green and red?
The constant alert one and flashing red/green lights can indicate a disconnected or failed battery.
Why is my UPS light blinking?
This indicates that your UPS is operating on battery power. The UPS can only provide power from the battery for a limited time before needing to be recharged. If your UPS is operating on battery power, you should save all open files and shutdown your PC and wait until normal power has been restored.
What does blinking green light on UPS mean?
Flashes green in rapid succession. The battery has been completely discharged while the Back-UPS is on battery, the UPS will shut down. None – AC power is restored – AC is not restored within 32 seconds – The Back-UPS is turned off.
Why is my UPS blinking orange?
Why is my Back-UPS es giving a constant tone with the power on LED flashing?
If the battery fails the self-test, the Power on LED will flash and the unit will emit a constant tone. This is a WARNING that the battery may be near the end of its life, replacement is typically recommended within 2-4 weeks.
What does orange light on UPS mean?
Amber: “Something is going on – pay attention” An amber light could indicate that the system is on battery, is in bypass mode or a host of other functions. It could also mean that your UPS has failed or is beginning to fail. An example of this could include a fan failure or other abnormality.
Why is my UPS blinking yellow?
The yellow On Battery indicator will light while the battery test is performed. If the UPS passes the Self-Test, the green On Line indicator will be lit and solid. If it fails the test, the red Replace Battery indicator will be lit as well as the green On Line LED.
What does yellow light mean on UPS?
Yellow On Battery LED: on solid This indicates that your UPS is operating on battery power. The UPS can only provide power from the battery for a limited time before needing to be recharged.
Why is my UPS blinking green?
What is APC Smart-UPS?
1 Introduction. This APC Smart-UPS is a modular Uninterruptible Power Supply (UPS) for high availability applications such as data centers and mission critical processes, designed to prevent blackouts, brownouts, sags, and surges from reaching your equipment.
How do I troubleshoot an overload LED on my APC ups?
Turn the UPS off then back on to power the loads. If the Overload LED remains illuminated even without any load plugged into the UPS, the UPS has most likely sustained a surge or fault, and will need to be replaced. Contact APC Technical Support to resolve the problem.
How does a ups work on a utility line?
The UPS filters small utility line fluctua- tions and isolates your equipment from large disturbances by internally disconnecting from the utility line. The UPS provides continuous power from its internal battery until the utility line returns to safe levels or the battery is fully discharged.
What does it mean when the ups light is illuminated?
THE SITE WIRING FAULT LED ON THE REAR PANEL IS ILLUMINATED (120 V ONLY) The UPS is plugged into an improperly wired utility power outlet. Wiring faults detected include missing ground, hot-neutral polarity reversal, and overloaded neutral circuit.