Emerson Bettis RTS FQ Series Operating Manual page 33

User Instructions
MAN-02-04-60-0351-EN Rev. 3
7.2.2
To provide users with better status information, basic status data is displayed using 4 color
LEDs. As the device powers up, it undertakes a self-test whereby all 4 LEDs briefly light up
simultaneously.
Figure 35
Table 2.
Description
L1
L2
L3
L4
Control Unit
LED Display
LED Display
L3 L5
LED Function Table
Colour Lights up
Yellow No torque error
Ready
Yellow (operational
readiness)
Red OPEN
Green CLOSED
L4 L1
Flashes quickly Flashes slowly
Torque fault
Path error (no
operational
readiness)
Applies upon
torque-dependent
opening:
Moving to Occurs when the end
OPEN position position OPEN is reached
but the
cut-out torque has not
yet been reached.
Applies upon
torque-dependent
Moving to closing: Occurs when the
CLOSED end position CLOSED is
position reached but the cut-out
torque has not yet been
reached.
Section 7: Control Unit
Febraury 2019
L2
Does not light up
— —
Error (no operational
readiness) motor
— temperature, supply
voltage absent,
internal error
Actuator is not in the
open position.
Actuator is not in the
closed position.
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