Storage; Packaging & Storage - Milton Roy MAXROY Series Actuator Capacity Control Manual

ACC does not
respond to 4-20
mA command
signal
ACC will only
travel in one
direction
ACC chatters or
vibrates
A red LED turns
ON on the ACC
Relay board

7 STORAGE.

7.1 Packaging & Storage.
The ACC actuator is delivered in a cardboard box equivalent to the
size of the actuator and sits in a cardboard wedge.
It should be stored under a shelter, in a clean and dry place and
protected from wide temperature variations.
/
English
● No power to ACC. Correct by applying AC / DC
power to ACC.
● Polarity of 4-20 mA signal wires connected to
terminals may be backwards. Check polarity and
correct if improper.
●Incorrect Mode setup. Review initial start-up
procedure.
● Bad printed circuit board. Replace PC board.
●Incorrect Mode setup. Review initial start-up
procedure.
● Bad printed circuit board. Replace PC board.
● The ACC is driving the pump adjustment against
the pump's mechanical stop. Reset the ACC and
pump high and low limits per calibration
procedure.
● Incorrect Mode setup. Review initial start-up
procedure.
● If the limits are okay, then circuit board and/or
feedback potentiometer should be replaced.
● Too high torque applied at the actuator's
output. Check if anything could block the
rotation.
Table 7: Trouble shooting
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