User's Manual

Flex 6ES/EX Instruction Manual
September 2016
Page 35 of 37
6.7. System Status Light Indications
6.7.1. Transmitter Status Indications
Type Display Type Indication
1
Constant red
Voltage below 1.8V at initial power on or
during operation
2
3 red blinks and then off
Voltage below 1.75V during operation
(receiver MAIN relays shut off)
3
1 red blink followed by a
2-second pause
Voltage below 1.85V during operation
(change batteries suggested)
4A
2 red blinks followed by a
2-second pause
Defective or jammed pushbutton detected
at initial power on
4B
No light displayed
When defective pushbutton condition
occurs (2 red blinks, type 4A above), find
out which pushbutton is defective by
pressing all of them one at a time. If the
pushbutton is in good working order when
pressed, the Status LED is off. If the Status
LED maintained 2 red blinks then
the pushbutton is defective.
5
4 red blinks followed by a
2-second pause
Transmitter is unable to lock onto the
assigned channel
6
Constant green for up to
2 seconds
Transmitter power on with no faults detected
7
Blinking green Transmission in progress
8
Blinking orange
Pressing any pushbutton prior to executing
the START command at power on
9
2 orange blinks followed by a
2-second pause
Receiver MAIN relays jammed or defective
10
3 orange blinks followed by a
2-second pause
Decoding processors defective
11
3 slow red blinks STOP button pressed down