Sinoboom TB24 Plus - Electrical System; Fault Code Description

REPAIR PROCEDURES
TB24 Plus&26J Plus Maintenance Manual 6-31 © Jun 2022
Figure 6-40 TB26J Plus hydraulic schematic (hydraulic generator)
ELECTRICAL SYSTEM
The system adopts 2 series-connected 12V batteries to
start the engine and auxiliary pump, and to serve as a
power source for the entire electrical system. The
battery is charged by the DC generator powered by the
engine. The battery separator is used for charging one
of the two batteries first and the other thereafter. Circuit
breakers are used to protect the control system.
Fault Code Description
In case of machine malfunctions, please enter the fault display interface on the ground controller to check the fault
codes.
Table 6-22 Machine fault code description
Fault
Code
Description
Cause Solution
01
Platform
communication fault
Abnormal communication
between platform and ground
controllers
Check the signal lines between platform and
ground controllers, and ensure the power supply
is normal.
02
Drive controller
communication fault
Abnormal communication
between driver and ground
controllers
Check the signal lines between ground and drive
controllers, and ensure the power supply is
normal.
03 Turntable tilt alarm Turntable tilt alarm
Check whether the machine tilts exceeding 5°or
the level switch becomes disconnected
04 Overload alarm Overload alarm
Check whether the platform load exceeds the
rating.
05
Weighing sensor
fault
Weighing sensor fault
Check whether the weighing sensor functions
properly.
06
Drive joystick error Drive joystick data error Check the drive joystick data
07
Steer joystick error Steer joystick data error Check the steer joystick data
08
Main boom luffing
joystick error
Main boom luffing joystick
data error
Check the main boom luffing joystick data
09
Slewing joystick
error
Slewing joystick data error Check the slewing joystick data
10
Telescoping joystick
error
Telescoping joystick data
error
Check the telescoping joystick data
11
Jib rotation joystick
error
Jib rotation joystick data error Check the jib rotation joystick data
12
Hydraulic system
pressure sensor
error
Hydraulic system pressure
sensor error
Check whether the hydraulic system pressure
sensor functions properly
13 Level switch fault Level switch fault
Check whether the level switch functions properly
14
Lift controller
communication fault
Lift controller communication
fault
Check the signal lines between platform and
drive controllers, and ensure the power supply is
normal.
15
Footswitch or
Enable switch 7-
second limit alarm
Footswitch or Enable switch
7-second limit alarm
Check whether the footswitch or enable switch
function properly