Bobcat 553 U109B-A2 Error Code
U109B-A2 Error Code
Rear Controller - System Voltage Low is the main cause of U109B-A2 error.A significant number of consequences can be suffered due to an overheating engine with code U109B-A2. The problem might be a blown gasket or something related to the fuel tank.
Tip For 553 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.