Franklin Fueling Systems STP-SCIIIC, Руководство по установке

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11
Troubleshooting Guide
To aid field service personnel the STP-SCIIIC is equipped with a microprocessor control that makes it possible for
the unit to diagnose abnormal operating conditions, and communicate them via the LEDs and an audible alarm.
The following is a definition of all operation and abnormal operating codes.
Resetting The Controller
To reset the controller from an abnormal condition depress the push-button (reset button) on the bottom of the control box
and hold it in until the lights on the front panel go out (approximately 3 seconds).
Disabling the Audible Alarm
To disable the audible alarm, depress and release the push button. Note: This only stops the audible alarm and
does not clear the fault code.
WARNING
Always disconnect all power sources to the STP-SCIIIC prior to removing the cover and
replace cover prior to applying power. Failure to do so could result is serious injury or death.
• Green light on steady -Power (380-415V) is applied to the STP-SCIIIC.
• Green light flashing
-Pump Motor Assembly (PMA) is running.
Note: If the green light stays steady, even when a dispenser is energized, double check dispensers signal
terminal on STP-SCIIIC. Verify there is 240V for the STP-SCIIIC between the two terminals for the hook (See
Wiring Diagram, p.7). If the green light remains steady, power is supplied to the “HOOK” connector, and all
switch settings are correct, call Franklin Fueling Systems Technical Service for assistance.
Note: If the green light constantly flashes, even when all the dispensers are turned off, there may be some
power still applied to the STP-SCIIIC Hook Connector. If this condition exists call Franklin Fueling Systems
Technical Service for assistance.
• No lights illuminated
-Verify L1 and L3 are properly connected to the L1 and L3 terminals on the STP-SCIIIC
• Red light flashing/Audible alarm -Abnormal condition, see below:
Flashes/Beeps Condition Potential Causes Proposed Action
1
Dry Run
(Under-load)
Low fuel level in
the storage tank
or obstruction to
motor intake.
1. Check fuel level in storage tank; schedule fuel delivery,
when delivery is complete and fuel level is above PMA end
bell, depress and hold in push button until all lights go out
(approximately 3 seconds).
2. If fuel levels are within an acceptable range, check motor for
an obstruction such as a rag.
3. If condition is still present, verify the switch settings for
motor horsepower rating are correct. If they are not correct,
change them and recalibrate the controller.
2
Under Voltage Voltage fluctuations
or low input voltage.
1. Push reset button and hold in for three seconds.
2. If condition is corrected, check for proper operation of
system; if operating correctly do not continue to next step. If
condition is still present continue to next step.
3. Disconnect Input Voltage at the load center. Remove cover
from enclosure. Re-apply input power. Use AC voltmeter
to verify incoming voltage is within the 190-250VAC for
STP-SCIII or 340-420 VAC for STP-SCIIIC acceptable range.
If voltage is not within this range, contact an electrician to
correct problem. If voltage is within acceptable range and
you still get “Under Voltage” condition after reset, recalibrate
controller per “Calibration” section.