Troubleshooting; Ats System Data Bus Indicator Led's; 4-Door Dgp Local Data Bus Indicator Leds - GE ATS125 Series Installation Manual

Troubleshooting

ATS system data bus indicator LED's

Rx1 The yellow Rx1 LED flashes to indicate polling data is received on the system data bus from
the panel. If the LED does not flash, the control panel is not operational or the bus is faulty
• Check that DGP is powered correctly.
• Check wiring DGP data bus connections.
Tx1 The red Tx1 LED flashes to indicate the DGP is replying to polling from the control panel. If the
Rx LED flashes but the Tx LED does not, the DGP is not programmed to be polled in the
control panel or has the wrong address.
• Check if the DGP connected to the data bus has the correct address.
• Check that the DGP is being polled (ATS control Menu 19 > 4).

4-door DGP local data bus indicator LEDs

Tx The red Tx LED flashes when the ATS125x is polling remote devices (readers and interfaces)
on the local databus. The Tx LED should always be active.
Rx The yellow Rx LED flashes to indicate remote devices reply to polling.
If the LED does not flash, the RASs are not programmed to be polled, are addressed
incorrectly, or the bus is faulty.
• Check that RASs are powered correctly.
• Check RAS data bus connections.
• Check that the RASs (readers and interfaces) are polled. (ATS 125x Menu 1.4 Poll RAS).
• Check that RASs are addressed correctly.
16 ATS125x 4-Door DGP Installation Manual