Red Lion PXU - Manual (Page 21)

21
7.5 mOdule 9 f
aCTOry
s
erviCe
O
peraTiOns
(9-FS)
CodE
FACTORY
SERVICE CODE
9-FS CNFP
P
PARAMETER MENU

C
RESTORE FACTORY SETTINGS
Press and hold B to display C . Press :. The controller will display

and then return to C. Press = to return to the Display Loop. This will
overwrite all user settings with Factory Settings.
For further technical assistance, contact technical support.
T
rOubleshOOTing
PROBLEM CAUSE REMEDIES
NO DISPLAY 1. Power off.
2. Brown-out condition.
3. Loose connection or improperly wired.
4. Controller not fully seated into case.
1. Check power.
2. Verify power reading.
3. Check connections.
4. Check installation.
CONTROLLER NOT WORKING 1. Incorrect setup parameters.
2. Stop Mode.
1. Check setup parameters.
2. Change to Run mode.
. . .
or
. . .
IN DISPLAY 1. Display value exceeds 4 digit display range.
2. Defective or miscalibrated cold junction circuit.
3. Loss of setup parameters.
4. Internal malfunction.
1. Check input parameters (Input Type).
2. Change display resolution/scaling.
3. Recalibrate controller. (Consult Factory)
4. Consult Factory

IN DISPLAY 1. Probe disconnected.
2. Broken or burned-out probe.
3. Corroded or broken terminations.
4. Excessive process temperature.
1. Check probe wire/change probe.
2. Check sensor input type selection.
3. Perform cold junction calibration. (Consult Factory)
4. Perform Input calibration. (Consult Factory)

IN TOP DISPLAY 1. Input exceeds range of controller.
2. Temperature exceeds range of input probe.
3. Defective or incorrect transmitter or probe.
4. Excessive high temperature for probe.
5. Loss of setup parameters.
1. Check input parameters.
2. Change to input sensor with a higher temperature range.
3. Replace transmitter or probe.
4. Reduce temperature.
5. Perform input calibration. (Consult Factory)

IN TOP DISPLAY 1. Input is below range of controller.
2. Temperature below range of input probe.
3. Defective or incorrect transmitter or probe.
4. Excessive low temperature for probe.
5. Loss of setup parameters.
1. Check input parameters.
2. Change to input sensor with a lower temperature range.
3. Replace transmitter or probe.
4. Raise temperature.
5. Perform input calibration. (Consult Factory)

IN DISPLAY 1. RTD probe shorted. 1. Check wiring and/or replace RTD probe.
CONTROLLER SLUGGISH OR
NOT STABLE
1. Incorrect PID values.
2. Incorrect probe location.
1. See PID control.
2. Evaluate probe location.