If the message „Controller error” appears and in the left lower corner appears the message
„No connection” select another port from the Port menu at the top of the screen.
2.2. Main menu
Main menu contains following options:
• Port – for change of the communication port, connection, disconnection from the controller
• Window – selection of program window
• Language – selection of language
• Controller update – update of the controller software
• Help – information about the program
2.3. Controller parameters
In the bottom of the screen is visible the version number of the program installed in the
controller (Fig. 4), after the figure „ver.” is given the program version, where:
1.9 - PCB version number for the controller (necessary for controller update)
21 - Number of software version installed in the controller
2007-03-17 07:48:14 – Date and hour of software compilation for this version
The Parameters window contains three groups of settings. The group Vehicle parameters contains:
• Number of cylinders – number of engine cylinders
• No. of cylinders for one ignition coil – number of cylinders for one ignition coil
• Revolutions signal – revolutions signal source, 12 V – signal from the ignition coil, 5V –
signal from the vehicle’s computer
• Engine type – engine type, Standard – standard engine without supercharger, Turbo –
supercharged engine
The group LPG controller settings contains following parameters:
• Switchover temperature – the LPG pressure regulator temperature required for controller’s
switchover to LPG
• Switchover time – time after starting the engine, when the controller can switch over to LPG
• Switchover threshold – engine rpm required for the controller to switch over to LPG. For the
rpm threshold <700 switchover occurs at idle run.
• Max rpm – engine rpm required for the controller to switch over to gasoline
• Cylinder switchover – time between switchover of subsequent cylinders; when the setting is
e.g. 200[ms] the switchover of a 4-cylinder engine from gasoline to LPG or from LPG to
gasoline will last 4*200[ms]. This option works regardless of the fact that the gasoline
injection system is the so-called full sequence or not.
• Injector type – type of the LPG injector. In the case of controllers with the software
version 18 or lower, if the injectors menu appears with following items: other, matrix,
koltec, the matrix injector will be selected by default, what is quite common symptom
of controller’s operation; this setting must not be changed.
The push button “LPG level indicator” is designed for setting of activation threshold of the LED at
the switchboard and for selection of LPG level sensor, what is described further below.
The group LPG pressure regulator parameters contains following items:
• Operational pressure – LPG pressure during controller’s calibration
• Minimum pressure – lowest LPG pressure causing switchover to gasoline.
• Error time – time, when the LPG pressure is lower than the minimum value, required for
switchover to gasoline.
• Switch-off at the first time – car will switchover to gasoline at the first time when pressure is
lower then minimum.
In the bottom of the window there are three push buttons with following functions:
• Readout – readout of controller settings from a file
• Save – saving of controller settings to a file
• Default – restoration of default (manufacturer’s) controller settings
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