A53 Z0 9 0020 L En Technical documentation
Chapter : SUPPORT/Troubleshooting
16 SUPPORT/Troubleshooting
GENSYS 2.0 displays a "sensor lost" fault when starting
In “Configuration/Engine/Speed control settings” menu, check that the speed measure configuration is
consistent with your system. (Speed measure [E1078] = Magnetic or Alternator).
Check the voltage presence on terminal B1 to B4 (if speed measure by Alternator).
Check the engine speed increase until 1500rpm (If speed measure by Magnetic sensor)
If you don’t have these values and engine stops in time,Increase the "sensor lost" timer [E1458] (default
value 10 sec.) This timer is available in level 2 in “Configuration/Timers/Engine » menu.
GENSYS 2.0 displays oil pressure fault or not ready when starting
Check the connection between the J4 terminal and the oil pressure contact.
Check that the configuration of this sensor is correct in « Configuration/Inputs/Digital inputs ». It means
that the DIJ4 function [E1996] must be set on ‘Oil pressure fault” if it’s a standard pressure sensor
(Enable/Close when the engine is stop)
Some LEDs blink when GENSYS 2.0 is powered
If some LEDs blink (3 vertical LEDs on the left, horizontal LEDs, 3 vertical LEDs on the right), the unit detects
a problem because of a wrong operation. The GENSYS 2.0 must be returned to CRE Technology or your
local distributor.
GENSYS 2.0 displays a "GENSYS CAN Bus" fault
If the fault appears during parameter backup, check the connection between GENSYS 2.0 units.
Check the number of units available and their ID CAN number in the “Display/Power plant overview” menu
Note : Each GENSYS 2.0 must have a different ID CAN number.
Check the CAN bus wiring (end of line resistor, in the wire or on the GENSYS 2.0).
GENSYS 2.0 displays "breaker failure"
Check that control switch is in manual mode.
Check that J2 (back breaker) is activated. If this entry did not have time to activate, you can increase the
[E1149] variable delay (by default: 5.0s).
This fault can occur if the opening of the circuit breaker has not been controlled by the GENSYS 2.0. Check
if another module is able to control the circuit breaker.
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