Sun Yeh Electrical OM Series - Page 28

Quarter -Turn Electric Valve Actuator【OM Series】 Sun Yeh Ele. Ind. Co., Ltd. | 2021.11
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Status of LEDs
Possible problems
Solution
LD7 goes on
a. Signal output short circuits.
b. The input signal type 2 - 10 V
with reversed polarity.
a. Verify if the signal output with
reversed polarity. The negative pole
should be connected to terminal #11
and the positive pole should be
connected to terminal #12.
b. Verify if the signal input with
reversed polarity when applying 2 -
10V, the negative pole should be
connected to terminal #6 and the
positive pole should be connected
to terminal #7.
LD8 goes on
Motor over-current.
a. Duty cycle exceeded the rated,
please refer to 3.5 (P.6) and reduce
the duty rating.
b. Check the load.
c. Check if the motor rotor is locked
(For example: Valve is stuck by
foreign objects).
LD9 goes on
Local setting mode - Setting
position for open & close.
After completing the settings, press
“SET” button to quit.