6 Operation
56 WU017834 Rev. 05 July 2023 Wayne Fueling Systems | Dover Fueling Solutions
6.4 RESTARTING AFTER POWER FAILURE OR SHUTDOWN
After loss of power, the display accurately displays the amount of the sale, in money and volume, for approx-
imately 15 minutes. When power is restored, all sales information returns to the displays. Any sales in prog-
ress will be ended; old sales should be paid and the dispenser reauthorized if more product is to be
dispensed.
If the dispenser does not operate properly when power is restored (does not deliver product or does not
reset), record both the money and volume shown on the display (so sale can be paid) and perform the fol-
lowing:
1. Ensure all nozzles are properly seated in the nozzle boot.
2. Authorize the dispenser.
3. Remove the nozzle from the nozzle boot. The dispenser should operate normally. If the dispenser
does not resume normal operation, try cycling power as described in the next section.
6.5 CYCLING POWER TO CLEAR FAULTS
If a fault in the dispenser is detected by the computer, an error message will be displayed in the sale display
as described in Section 6.6,
Error Codes, on page 57. Record the displayed error message. It may be possi-
ble to restart the dispenser by the following sequence:
1. Ensure all nozzles are properly seated in the nozzle boot(s).
2. Turn the control power circuit breaker off for approximately five seconds; the dispenser annunciator will
sound. Turn the control power circuit breaker on; the dispenser annunciator will sound again.
3. Authorize the dispenser.
4. Remove the nozzle from the nozzle boot. The dispenser should operate normally.
If it is not possible to restart the dispenser using this procedure, or if an error message continues to be dis-
played, consult appropriate service personnel. Be certain to give the service personnel the amount at which
the dispenser stopped and the exact error message given on the sales display.
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