83
Limitorque QX Electronic Actuator FCD LMENIM3306-06 – 07/14
flowserve.com
“RAM ERROR”
After the reset, the display will read normally. Any momentary commands (DDC command, momentary pushbutton,
etc.) that were not completely executed must be reissued.
ROM Error
The QX processor continually checks EPROM for memory corruption errors. If corruption is detected, operation is
disabled. If the selector switch is in “LOCAL” or “REMOTE,” the LCD will display the following:
“XXX% OPEN”
“ROM ERROR”
When the selector is placed in “STOP,” the unit will require reinitialization and the LCD will display the following dialog:
Figure 5.1 – Initialize routine
YES
NO
NO
YES
NO
YES
UNIT SIZE
QX-1-OK?
S/N
0------OK?
COLD (-55°C) UNIT
YES/NO -OK?
INITIALIZE?
Answer “NO” until the
correct unit size is
Unit reset
displayed. Refer to
nameplate.
Answer “ NO ” until the
value is displayed and
then “ YES ” to enter .
Refer to namplate for
S/N.
Answer “NO” to
select normal
temperature
parameters,
-22°F to +158°F
(-30°C to +70°C).
Answer “YES” to select arctic
temperature parameters,
-67°F to +140°F (-55°C to
+60°C).
Please refer to Limitorque
QX Customer Connection(s) Diagram
reverse side (located on the
inside of the terminal compartment
cover) for customer default
configuration.
Answer
“NO” to
change.
to save settings.
NO
YES
NO
YES
ACTUATOR RPM
6 RPM-OK?
Answer “NO” until the
correct RPM is displayed
and then “YES ” to enter.
Refer to namplate.
5.3 View Diagnostics
A large amount of historical data is stored in the actuator memory and can be retrieved very easily, without the need for
password entry. The data is displayed in dialog format.
1. Enter the “SETUP” mode routine detailed in Section 3.5.3, Entering the Setup Mode.
2. Select “VIEW DIAGNOSTICS?”
3. Select “YES” to access the first display “VIEW HARDWARE?”
NOTE: It is recommended that ALL diagnostics information be recorded prior to contacting an authorized Limitorque
service coordinator at (434) 528-4400. This information aids in diagnosing any problem the actuator may experience.