End Of Sale Indicators - Compac CNG Service Manual

Error Codes

End of Sale Indicators

To view the End of Sale indicators
Number
1 Nozzle switch de-activated (does not apply to push to start
dispensers).
2 Preset or temperature compensated value reached. Normal
end of sale message for temperature compensated and
Fast Fill dispensers.
3 Fill timed out. Start button pressed, or nozzle lifted, without
flow.
4
The dispenser was stopped by a remote device such as a
Point of Sale (POS) or Compac Communicator.
5 Maximum display value reached.
7 An error has occurred. The error will be shown on the main
display.
8 Outputs sequenced normally and dispenser finished on the
low flow cut off setting. Normal end of sale message for
regulator controlled dispensers
12 Parity error on main display. This is caused by a fault in the
display or a bad connection in the display wiring loom.
14 Main display not detected. This is caused by a fault in the
display or a bad connection in the display wiring loom.
25 Stop switch operated.
30
Maximum flow rate exceeded.
31 Over-pressure switch has been activated.
Compac Industries Ltd.
The end of sale indicator allows you to determine the reason why the last fill
ended. This can be very useful for fault finding and diagnostics.
Recent versions of CNG software will flash the end of sale indicator in the
price per litre window at the end of each fill during normal operation. Older
versions of software will need to use the procedure below to view the end of
sale indicator.
1. Press and release the Parameter switch until the required hose number
Pn PnA Pnb)
( , or
2. The number in the unit price display is the end of sale indicator for the
hose number shown.
See the table below for the meaning of the number displayed.
Meaning
Page 123
is displayed.
Checks
Check inlet gas pressure.
Check solenoid operation. Refer Solenoid
Problems
Check nozzle and breakaway for blockages.
Check that the point of sale is not sending a
stop command and is correctly configured.
Check display resolution (Sr) setting. Refer
Display Resolution (see page 33)
Check error code reason. Refer Error Codes
(see page 120)
Check displays are dry and all connections
tight. Try swapping with another display if
available.
See above.
Check the stop switch wiring and switch
operation. Refer CNG Dispenser Electrical
Schematic (see page 91)
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End of Sale Indicators