Table 9: MAP gateway LED designations and descriptions
LED name
Color
Normal
Descriptions/other conditions
Power
Green
On steady
(no flashing)
Off = No power
On steady = Power supplied by primary voltage
Fault
Red
Off
Off = No faults. Normal operation
On steady = Missing hardware, missing software, operating system has not yet
initialized, or reset is in progress
Slow flicker (1 blink per second) = Software upgrade is in progress
Medium flicker (2 blinks per second) = Startup sequence
Fast flicker (5 blinks per second) = Fault
SA/FC Bus
Green
Flicker
Off = Receiving data
On steady = Transmitting data
Flicker = Data transmission
Ethernet
Green
On steady
Off = Communication not established
On steady = Communication established
Flicker = Data transmission
Wi-Fi
Yellow
On steady
Off = No Wi-Fi signal
Wi-Fi strength is indicated by the number of LEDs that are lit, with one lit LED
indicating a weak wireless signal strength (between 1% and 49%) and three lit LEDs
indicating excellent wireless signal strength (at least 75%)
Note:
For detailed information about the MAP, refer to the documents
Installing and Wiring MAP Gateway
and
Using MAP Gateway
Advanced Graphic Touchscreen Display on 25 Ton to 80 Ton Johnson Controls Premier Rooftop Units
29
Johnson Controls
