Sinoboom TB20J Plus - Page 128

© Feb. 2023
116 TB20J Plus Maintenance Manual
ELECTRICAL SYSTEM
Table 9-2 Machine fault codes description (Continued)
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 foot switch or enable switch
function properly
16
Obstacle detection
alarm
Obstacle detection alarm
Check whether the obstacle detection switch
functions properly
17
Drive controller
error alarm
Drive controller error alarm Check the drive controller for error
18
Lift controller error
alarm
Lift controller error alarm Check the lift controller for error
19
Heavy load alarm Heavy load alarm
Check the platform load and the actual
measurement of sensor AD value
20
Envelope alarm Envelope alarm
Check the boom position and the actual
measurement of sensor AD value
21
Broken rope alarm Broken rope alarm
Check the wire ropes of boom and the wiring of
proximity switch
22
Weighing sensor
comparison error
Weighing sensor comparison
error
Check the actual values and AD values of
weighing sensor 1 and 2, and check the wiring
23 Platform tilt alarm Platform tilt alarm
Check whether the platform tilt angle exceeds the
limit
24 Solenoid clutch fault Solenoid clutch fault
Check whether the solenoid clutch functions
properly or the wiring harness is disconnected
25
Turntable slewing
left solenoid valve
error
Turntable slewing left
solenoid valve error
Check the wiring of turntable slewing left solenoid
valve
26
Turntable slewing
right solenoid valve
fault
Turntable slewing right
solenoid valve fault
Check the wiring of turntable slewing right
solenoid valve
27
Main boom
extending solenoid
valve fault
Main boom extending
solenoid valve fault
Check the wiring of main boom extending
solenoid valve
28
Main boom
retracting solenoid
valve fault
Main boom retracting
solenoid valve fault
Check the wiring of main boom retracting
solenoid valve
29
Main boom lifting
solenoid valve fault
Main boom lifting solenoid
valve fault
Check the wiring of main boom lifting solenoid
valve