ASAHI/AMERICA, INC 655 ANDOVER STREET LAWRENCE, MA. 01843 TELEPHONE 800-343-3618
File: assembly/manuals/Series 94 Gen II A/C Modulating Svc Manual Rev. A
11/19/19
Page 26 of 27
PROBLEM
POSSIBLE CAUSES
REMEDIES
Actuator does not
respond to input signal.
(FAULT indicator is off.)
Closed and open
positions are set to the
same position.
Set closed and open
settings; refer to "Close"
and "Open" modes in
manual.
FAULT indicator flashes
after actuator reaches
the fully closed or open
position.
Closed or open limit
switches set inside the
operating range.
Adjust limit switch cams;
refer to "Close" and
"Open" modes in manual.
Actuator operates
erratically.
(FAULT indicator flashes
erratically.)
AC ripple induced on the
command input signal.
Defective feedback
potentiometer
Loose feedback
potentiometer or loose
feedback potentiometer
gears
Sloppy gear tooth
engagement
Use equipment that
isolates AC ripple from
the command signal.
Replace feedback
potentiometer.
Tighten feedback
potentiometer and/or
potentiometer gears.
Adjust feedback
potentiometer gears for
tight engagement.
Summary of Contents for 94 Series
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