Belarus 1523, Operating Manual

Page: 37 / 312

BELARUS- 1523/1523В /1523.3 /1523В.3 Drive Controls and Instrumentation
36
CI in the fault message display mode
1. Diagnostics of the serviceability and connection of the speed sensors:
In case of absence of the signals from the
speed sensors for 10-12 seconds, the
message in the form of the digit “0” (zero)
characterizing the faulty sensor location
(left or right).
2. Diagnostics of serviceability of the frequency-type fuel volume sensor (FFVS):
In case of absence of the frequency-type signal from the FFVS for
2 seconds, the “FUEL” message is shown on the LCD for 2 sec-
onds;
3. Diagnostics of serviceability and connection of the CAN-bus to the CI с СAN -interface:
The absence of the signals over the CAN-bus (CI) is accompanied
by the message “C-BUS”;
Each fault message ( Example: 0----, FUEL, C-BUS) is displayed by priority on the
LCD regardless the information displayed. When pressing the “Mode” button, the mes-
sages shall be scrolled in turn. When viewing the last message and repeated pressing
the “Mode” button, the LCD is switched to the display mode over the cycle of the pre-
liminarily specified work parameters.
The fault messages are displayed on the LCD each time the instrument is switched
on till the moment of elimination of the cause of the fault.
Notes:
1 – On switching on the CI, the information is displayed on the MI in the indication
mode selected before switching off the CI power supply.
2 – In the absence of the information on the vales of the parameters received from the
engine control unit only, the respective indication modes are switched off automati-
cally.
Left-wheel sensor
Right-wheel sensor