Sinoboom ML10EJ - Troubleshooting and Schematics; Troubleshooting

GTTZ10EJ Maintenance Manual 6-1 © Mar. 2022
6 TROUBLESHOOTING AND
SCHEMATICS
TROUBLESHOOTING
In case of machine failure, please first check whether：
• The hydraulic tank has sufficient oil;
• The battery is properly charged;
• The emergency stop buttons at the ground or
platform controls are pulled out to the ON position;
• The ground or platform controls is selected;
• Relays are properly connected;
• The fuse works normally.
If the above inspection finds no problem, please refer to
the troubleshooting table below. If the failure persists,
please contact Hunan Sinoboom Intelligent Equipment
Co., Ltd.
Table 6-1 Troubleshooting (DTC system)
Fault
Code
Description
Function Restricted Solution
01
System initializing fault
All functions restricted
System initializing error: the ECU may be
defective, replace the ECU.
02
System communication
fault
All functions restricted
ECU system communication fault: check the
wiring of signal lines and other lines. If the fault
persists, replace the PCU or ECU.
03
Invalid setting
All functions restricted
Setup error: set up correctly.
04 Calibration failure All functions restricted
Calibration failure: re-calibrate or check the angle
sensor and pressure sensor.
09
GPS communication
fault
All functions restricted
GPS communication fault: check the wiring of
signal lines and other lines. If the fault persists,
replace the GPS module or ECU.
10
CAN Open
communication fault
All functions restricted Motor controller fault: check the motor controller.
12
Ground up/down
switch fault
Ground controls restricted
Up/down toggle switch fault: ensure no objects
press against the toggle switch at ground controls
or ECU keys, check the toggle switch wiring. If the
fault persists, replace the ECU.
18
Pothole protection fault
Lift and drive functions
restricted
Pothole protection error: check whether the
pothole protection is deployed; check the pothole
limit switches and wiring; check the pothole
protection harness and lower limit switch.
31 Pressure sensor fault All functions restricted
Pressure sensor error: check the sensor and
wiring, and ensure the correct sensor option is
used.
32
Angle sensor
All functions restricted
Angle sensor error: check the angle sensor and
wiring, and ensure the correct sensor option is
used.
35
Cable break sensor
fault
All functions restricted
Broken steel cable fault: check whether the steel
cable becomes defective