Bobcat S150 38-21 Error Code
38-21 Error Code
Left Joystick Y-axis Out Of Range High is the main cause of 38-21 error.To solve 38-21 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 S150 Model
Do not use the bucket as a breaker or pile driver. It is
better to excavate hard or rocky ground after breaking it
with other equipment. This will reduce damage to the
Do not move the excavator while the bucket is in the ground.
Dig only by moving the boom and arm toward the excavator.
Do not back dig (digging by moving the boom and arm away from the excavator). Damage to the quick coupler and attachments can occur.