4RF Aprisa XE User Manual - page 206
Troubleshooting | 205
RX LED
Colour
Alarm condition
Suggested action
Orange
Low RSSI
Check that all antenna and feeder cables are firmly connected
and not damaged or kinked
Check there is no damage to the antenna
Check the TX power and alarm status of the remote terminal
Orange
Receiver AGC
Contact your local 4RF representative
Red Receiver
power
supply
Contact your local 4RF representative
TX LED
Colour
Alarm condition
Suggested action
Orange
Reverse power
Check that all antenna and feeder cables are firmly connected
and not damaged or kinked
Check there is no damage to the antenna
Check that the Receiver and Transmitter ports are correctly
connected to the High and Low ports of the duplexer
Red Transmitter
temperature
Check operation of cooling fan or fans
Ensure the air grills on the sides of the terminal are clear
Ensure the ambient air temperature around the equipment is less
than 50˚C