Daikin brp069a42 Technical Data Manual page 84

Front panel
Located below the monitor display on the front panel are four LEDs that indicate the operating status of the iTM integrator. Sliding the
front slide cover down and then removing a screwed cover reveals terminals used during the setup after installation or during maintenance
work.
<Front face of iTM integrator>
A [SERVICE LAN] The socket for temporarily connecting the iTM integrator to a LAN from its front face, instead of its rear face,
during installation or maintenance.
B [LAN SW] The switch for selecting which Service LAN socket, one on the front face or one on the rear face, is to be activated.
You cannot close the cover when the switch set to "FRONT". To close the cover, select "BACK".
C [BACKUP] The switch for turning on/off the backup power supply for retaining the current settings.
D [DIII MASTER] No Use.
E [CPU ALIVE] LED (Green) The LED that indicates that the CPU is operating normally. The CPU is operating normally when this
LED is blinking and malfunctioning when it is on or off.
(It takes about 10 seconds for detection of the abnormality.)
On: Installation failure
Off: A hardware failure occurred.
F [LAN LINK] LED (Green) The LED that indicates whether or not the hardware connection is established normally between the
iTM integrator and the equipment connected to the LAN port. It lights green when the LAN port is linked normally.
G [DIII MONITOR] LED (Yellow) This LED blinks when data is being sent or received on DIII-NET.
H [MONITOR] key and LED (Orange/Green) Each time you press this key, the monitor display turns on/off. The color of the LED also
changes accordingly to the condition of the monitor display.
Off: The monitor is powered off.
On (Orange): The monitor display is off.
On (Green): The monitor display is on.
I [RESET//] The switch for restarting the iTM integrator.
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