LED indicators on the base board
NOTE!These LEDs are found in the following receiver models:
TG-R4-1, TG-R4-3, TG-R4-5,
TG-R4-26, TG-R4-28, TG-R41, TG-R43, TG-R45
The base board has 8 LEDs for relay status indication. The LED lights when the corresponding relay on
the base board is activated.
LED SR =stop relays 1–2
LED 1 = relay 1
LED 2 = relay 2
LED 3 = relay 3
LED 4 = relay 4
LED 5 = relay 5
LED 6 = relay 6
LED 7 = relay 7
Function LED indications in operation mode
LED Color Off On Flashing Indicates
1 Red
X
No transmitter is registered.
X
One or more transmitters are registered.
2 Yellow
X
No transmitter is logged in.
X
One transmitter is logged in.
3 Green
X
Receiving valid RS485 data.
4 Orange
X
SIL conformity (settings in the safety CPUs are
conform with SIL3).
X
SIL error (settings in the safety CPUs are not
conform with SIL3).
5 Red
X
Automatic frequency control processing.
Signal is not locked on the transmitter.
X
Automatic frequency control fine-tuned.
Signal is locked on the transmitter.
X
The receiver is frequency scanning
6 Yellow
X
Receiving valid sync word.
7 Green
X
Receiving valid radio packet.
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