Bobcat T190 P1990 Error Code
P1990 Error Code
ECU - Fault is the main cause of P1990 error.To solve P1990 locate and open the low-pressure valve, then attach the refrigerant to the valve and charge from there. Ensure you use the right refrigerant type and amount, as specified by a manufacturer. It is possible to overcharge the AC, so consider seeking help from a mechanic.
Tip For T190 Model
When operating on uneven ground, operate as slow as
possible and avoid sudden changes in direction.
Avoid travelling over objects such as rocks, trees,
stumps, etc.
When working on wet or soft ground, put planks on the
ground to provide a solid base to travel on and prevent
the excavator from getting stuck.