Topcon GR-5 - TX RX LED Blink Pattern on Error Conditions

Troubleshooting
Topcon GR-5 Quick Start Guide
66
Then, try the following:
• Reset the receiver (“Performing Hardware Reset” on
page 49).
• Restore default settings (“Restoring Default Settings”
on page 49).
• Clear the NVRAM (“Clearing the NVRAM” on
page 50).
• Initialize the file system (“Initializing File System” on
page 51). This will erase all files inside the receiver.
If the problem persists, see the following sections for other
solutions.
TX RX LED Blink Pattern on Error
Conditions
For internal FH915+/UHF modems: the TX RX LED flashes
red.
• A fault condition has been detected.
– Check that the radio modem’s antenna is
undamaged.
– Contact a dealer to replace the antenna.
– Check that the radio modem’s antenna is securely
and properly connected to the antenna connector.
– Move the antenna/receiver away from conducting
objects (such as, large metal objects).