Troubleshooting
Troubleshooting chart
© BT Repair manual SWE100, 120, 120L, 120S, 140, 140L, 200D 7 – 29
Order no.. Date Valid from serial no. T code
258946-120 2012-08-30 6061850- 841×842×843
Forks can be raised but not
lowered.
The proportional valve [Q4] for
lowering the forks does not
open:
• Measure current and voltage
through and across the valve
coil.
For more information See
“ Cont'd. The proportional
valve [Q4] for lowering the
forks does not open:” on
page 30.
• Solenoid valve voltage/
current normal
• No current or voltage through/
across the solenoid valve coil
• Voltage across solenoid valve
coil, but no current through
the coil
Forks can neither be raised
nor lowered
Defective fuse [F50] 7.5 A Replace the fuse
Logic card [A5] faulty Replace the logic card
Defective transistor regulator
[T1]
Replace the transistor regulator
Factory parameter 1023 Check the parameter value
settings
Symptom Influencing elements Possible cause/Remedy
https://www.besttruckmanuals.com/
To Next Page
Loading...
