Electrical Problems - Emerson Bettis Q series Installation, Operation & Maintenance Manual

October 2017
7�3

Electrical problems

Problem
Actuator does not react
to control signals
Actuator does not react
consistent.
There are problems with
position feedback after
sending the actuator
to either the "Open" or
"Closed" position.
19
Possible error
Control wiring, Power supply
wiring or feedback wiring are
not right connected.
The power supply voltage is
not the same as the voltage
of the applicable Control
Module.
Initialization was not
completed in the right way.
Sizing is wrong
The wiring of the feedback
signals may be switched.
Installation, Operation and Maintenance Manual
Solution
Connect all wiring in the right
way.
Connect the right power
supply voltage.
Execute the initialization
procedure or set feedback
signal manuall
Re size the actuator to the
valve
Connect the feedback wiring
in the right way.
DOC.IOM.BQ.E Rev. 2
Where to find
See documentation
shipped with the Control
Module. (DOC.IG.BQCxx)
See documentation
shipped with the Control
Module. (DOC.IG.BQCxx)
See documentation
shipped with the Control
Module. (DOC.IG.BQCxx)
Data sheets
DA = BQ1.602.01.
SR = BQ1.602.02 or
BQ1.602.03
See documentation
shipped with the Control
Module. (DOC.IG.BQCxx)