TB9400/TN9275 Installation and Operation
Operation
55
© Tait International Limited
May 2023
Indicator LEDs
These LEDs provide the following information about the state of the PMU:
■
Steady green - the PMU is powered up
■
Flashing green - the PMU has no application firmware loaded or
activated; use the WebUI to download or activate the firmware
■
Flashing red - one or more alarms have been generated; use the WebUI
to find more details about the alarms
■
Flashing red and green - the PMU is in battery protection mode; check
that the battery voltage is above the configured minimum startup
voltage; also check that the minimum startup voltage is configured
correctly
The alarm LED will flash whenever an alarm is generated, even if the
alarm has been disabled via the WebUI.
Rear Grounding
Terminal
Notice
To comply with EN 62368-1:2014, a spade connector must be
fitted onto the PMU rear grounding terminal (circled in red in the image
below). This is required to fill the opening and does not perform any
other function.
