AC STAG-4 QBOX BASIC, User Manual, Page: 61 / 65

AC S.A. all rights reserved. Under penalty of law and/or liability claims it is forbidden to copy, publish, distribute, make available and/or use in any way all or any part of information contained
within this document, in particular photographs, drawings, illustrations, trademarks, etc
61
If the "Sound alarm on gas level drop" option is checked, refilling detection is signaled with the buzzer
in the following modes:

One short sound
– refilling detected (not to full)

Two short sounds
– refilling to full detected
When the tank or its WPGH level indicator is replaced, or, when the angular
position of the WPGH indicator in the tank changes, it is required to re-calibrate
the "Intelligent Gas Level" function, i.e. perform the described operations once
again.
4. LED switchboard operation and acoustic signals (User Manual)
4.1. LED-300 switchboard
Fig. 58 LED-300 switchboard
The LED switchboard consists of:

Przycisk LED line indicating LPG level

the LED indicating type of fuel

button
LED line
– shows current LPG level in the tank. 4 green LEDs indicate a full tank; a red LED indicates
“reserve”.
The LED
–
shows current operating status:

Off
–the engine runs on petrol

Slow blinking (once per second)
– the engine is started on petrol and switches to autogas
when the set parameters are achieved

Normal blinking (twice per second)
– the engine is started on petrol and switches to
autogas when the set parameters are achieved. The system switches the engine to gas
fueling. The state may continue for up to 10 seconds, depending on engine working
parameters at the moment and controller settings.

Fast blinking (4 times per second)
– system error prevents gas fueling, e.g. empty gas
tank, LPG installation fault; the engine runs on petrol.

On
– the engine runs on LPG
Push button
–
for switching from one fuel type to another.
The controller “remembers” the last fuel type setting before switching the ignition switch off.