Bobcat S590 W4321 Error Code
W4321 Error Code
"Manbasket mode : Remote control not connected to Manbasket harness (from GACDcontroller status)" is the main cause of W4321 error.W4321 code needs proper lubrication of your transmission's moving parts, it's important to always drive with the right amount of clean fluid. It's good practice to periodically scan over the ground where your truck has been parked and check for signs of fluid leaks.
Tip For S590 Model
If the engine stops, the boom / bucket
(attachments) can be lowered to the ground
using hydraulic pressure in the accumulator.
The control console must be in the locked
down position, and the key switch in the ON
position.
Use the control lever to lower the boom.