Tx Rx Led Blink Pattern On Error Conditions - Topcon GR-5 Operator's Manual

Troubleshooting
• Use a spectrum analyzer to detect the radio characteristics
of the interfering signal and change the system's
configuration accordingly.
• Remove the source of jamming signal or relocate the radio
antennas (if possible).
The receiver does not start data logging.
The receiver has no the SDHC card installed or the memory
option is disabled or expired.
• Check that the card is properly inserted. For details,
see "Installing the Optional SDHC and SIM Cards" on
page 2-4.
• Check that the memory option is enabled. For details,
see "Checking the Receiver's OAF using PC-CDU" on
page 5-12.
The receiver's memory card has no free space.
• Download and/or delete data files to free up space for new
files (see "Downloading Files to a Computer" on page 5-1
and "Deleting Files from the Receiver's SDHC Card Using
PC-CDU" on page 5-7).
• Use the AFRM feature. See "Automatic File Rotation
Mode (AFRM) parameters" on page 3-44.
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.
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GR-5 Operator's Manual