Sinoboom TB20J Plus - Page 129

ELECTRICAL SYSTEM
TB20J Plus Maintenance Manual 117
© Feb. 2023
Table 9-2 Machine fault codes description (Continued)
30
Main boom lowering
solenoid valve error
Main boom lowering solenoid
valve error
Check the wiring of main boom lowering solenoid
valve
31
Articulated boom
lifting solenoid valve
fault
Articulated boom lifting
solenoid valve fault
Check the wiring of articulated boom lifting
solenoid valve
32
Articulated boom
lowering solenoid
valve fault
Articulated boom lowering
solenoid valve fault
Check the wiring of articulated boom lowering
solenoid valve
33
Steer left solenoid
valve fault
Steer left solenoid valve fault
Check the wiring of steer left solenoid valve
34
Steer right solenoid
valve fault
Steer right solenoid valve
fault
Check the wiring of steer right solenoid valve
35
Platform swing left
solenoid valve fault
Platform swing left solenoid
valve fault
Check the wiring of platform swing left solenoid
valve
36
Platform swing right
solenoid valve fault
Platform swing right solenoid
valve fault
Check the wiring of platform swing right solenoid
valve
37
Platform leveling up
solenoid valve fault
Platform leveling up solenoid
valve fault
Check the wiring of platform leveling up solenoid
valve
38
Platform leveling
down solenoid valve
fault
Platform leveling down
solenoid valve fault
Check the wiring of platform leveling down
solenoid valve
39
Jib up solenoid
valve fault
Jib up solenoid valve fault Check the wiring of jib up solenoid valve
40
Jib down solenoid
valve fault
Jib down solenoid valve fault
Check the wiring of jib down solenoid valve
41
Function enable
valve fault
Function enable valve fault
Check the wiring of function enable valve
42
Main boom anti-fall
valve fault
Main boom anti-fall valve fault
Check the wiring of main boom anti-fall valve
43
Drive enable valve
fault
Drive enable valve fault
Check the wiring of drive enable valve
44 Brake valve fault Brake valve fault
Check the wiring of brake valve
45
Slewing enable
valve fault
Slewing enable valve fault Check the wiring of slewing enable valve
46
Front pump
unloading valve
fault
Front pump unloading valve
fault
Check the wiring of front pump unloading valve
47
Rear pump
unloading valve
fault
Rear pump unloading valve
fault
Check the wiring of rear pump unloading valve
48
Electrically
proportional relief
valve fault
Electrically proportional relief
valve fault
Check the wiring of electrically proportional relief
valve
49
Articulated boom
angle sensor
comparison error
Articulated boom angle
sensor comparison error
Check whether the articulated boom angle
sensor is correctly installed
50
Articulated boom
angle sensor fault
Articulated boom angle
sensor fault
Check the wiring of articulated boom angle
sensor