Flowserve APEX 5000 Analog Feedback Options - Manual (Page 4)

B00063-0 (AUTO-71) 4/00 Page: 4 of 4
© 2000, Flowserve Corporation, Provo, UT
Automax Valve Automation Systems
Installation, Operation and Maintenance Instructions
Operation and Maintenance:
Analog feedback modules are simple and require no main-
tenance. However, it is suggested that periodic checks be made for proper operation. Analog feedback modules do
contain some field serviceable parts.
Troubleshooting:
Ordering Information:
The following is a list of replacement kit part numbers, as well as individual shaft assemblies and modules:
Switch Type Type F Type G Type H
Analog Feedback Kit* KMAAF KMAAG KMAAH
Replacement Shaft* SPSAF SPSAF SPSAF
Feedback Module XA0105 XA0106 XA0107
Controller Board XA0056
*Note: The “A” in the fourth digit represents a standard linear positioner cam. Other positioner cams are
available (B = 30,45,60,90 degree linear, C = characterized, D = 60 degree butterfly valve cam). Refer to
the Apex 5000 sales bulletin or consult factory for more information.
Problem
Output not continuous throughout
actuator/valve stroke (experience a
band of max. output).
Transmitter does not put out 4 or
20 mA at desired end of travel.
Transmitter Module does not provide
current signal or provides constant
signal.
Probable Cause/Solution
Potentiometer out of adjustment (see “Resistive
Feedback Calibration” or “4-20” mA Transmitter
Calibration steps 2-4").
Zero or span trim pot is out of adjustment (see
“4-20 mA Transmitter Calibration”).
Circuit Board LED not lit:
1. Loose or shorted signal connection (no loop power).
2. Controller board not responding (replace board).
Circuit Board LED lit:
1. Potentiometer disengaged.
2. Defective potentiometer or controller board (replace).