Delta RT Series - Operation Panel; LED Indicators; Multi-function Buttons

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Chapter 3 : Operation Panel
On the front panel of the UPS, you’ll see two LED indicators, a LCD display, and multi-function buttons.
(Figure 3-1: Operation Panel)
3.1 LED Indicators
No. LED Description

1. ON: The output is protected.
2. OFF
: The output is not protected.

1. ON: The UPS detects an internal fault or environmental
abnormality.
2. OFF: The UPS is normal.
3. Flashing: The UPS has at least one warning message.
To check the corresponding warning message(s), please
refer to Chapter 11: Troubleshooting.