© Jan. 2024
44 0608ME All Maintenance Manual
TROUBLESHOOTING GUIDE
Table 9-1 Machine Faults and Solutions (Sinoboom Control System) (continued)
Code
Description
Restricted
functions
Recommended solution
problem, please try to replace the weighing
sensor.
18 Pothole Guard Fault Lift and travel
Carry out checks in the following sequence:
• Check whether the pothole guard plate is de-
ployed into its normal operating position;
• Check whether the pothole guard plate limit
switch and its wiring are in good operating
condition;
• Check whether the lower limit switch and its
wiring are in good operating condition, and
check whether the lower limit device is func-
tioning normally.
20 BMS Fault Lift and travel
Check the connection of the communication line
between the ECU and BMS. If this does not solve
the problem, please contact Sinoboom aftersales
staff.
21
Lithium Battery Excessive
Discharge Temperature Fault 1
Alarm only
Discharge Temperature Level-1 Fault: Inform the
BMS factory to check battery temperature, or
contact the Sinoboom aftersales staff.
22
Lithium Battery Discharge
Current High Fault 1
Alarm only
Discharge Current High Fault 1: Inform the BMS
factory to check battery current, or contact the
Sinoboom aftersales staff.
23
Lithium Battery Total Voltage Low
1
Lift limited, travel
restricted to low
speed
Total Voltage Low Fault 1 Inform the BMS factory
to check battery voltage, or contact the Sinoboom
aftersales staff.
24
Lithium battery Cell Voltage Low
Fault 1
Lift limited, travel
restricted to low
speed
Cell Voltage Low Fault 1: Inform the BMS factory
to check battery voltage, or contact the Sinoboom
aftersales staff.
25
Total Machine Voltage Low 2
Lift and travel
Cell Voltage Low Fault 2: Inform the BMS factory
to check battery voltage, or contact the Sinoboom
aftersales staff.
26
Large Difference in Voltage
Lift and travel
Inform the BMS factory to check battery voltage,
or contact the Sinoboom aftersales staff.
27
Large Difference in Temperature
Lift and travel
Inform the BMS factory to check battery
temperature, or contact the Sinoboom aftersales
staff.
28
Discharge Current High 2
Lift and travel
Discharge Current High Fault 2 Inform the BMS
factory to check battery current, or contact the
Sinoboom aftersales staff.
29
Discharge Temperature High 2
Lift and travel
Discharge Temperature Fault 2: Inform the BMS
factory to check battery temperature, or contact
the Sinoboom aftersales staff.
30
Temperature Sampling Fault Alarm only
Please contact Sinoboom aftersales staff.
31 Pressure Sensor 1 Fault All functions
Check whether the sensor and its wiring are in
normal operating state. Check that the ECU
sensor configuration options are correct. If this
does not solve the problem, please try to replace
the sensor.
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