Main display not detected. This is caused
by a fault in the display or a bad
connection in the display wiring loom.
The pressure at the first measurement
was within 20bar of the calculated
maximum pressure.
Check for blockage in the fuel
delivery hose, breakaway or
vehicle pipework.
The pressure at the second measurement
exceeded the calculated maximum
pressure.
Check for blockage in the fuel
delivery hose, breakaway or
vehicle pipework.
The pressure at the third measurement
exceeded the calculated maximum
pressure.
Check for blockage in the fuel
delivery hose, breakaway or
vehicle pipework.
Check the stop switch wiring
and switch operation. Refer
CNG Dispenser Electrical
Schematic.
Twin pressure sensor values (when fitted)
do not agree.
Check pressure sensor
calibration.
Maximum flow rate exceeded.
Over-pressure switch has been activated.
Dispenser on Hold. (No fuel will be
dispensed).
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