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Bobcat S220 W4903 Error Code

W4903 Fault Code Meaning :

Blue lights Output Short To Ground

W4903 Error Code

Blue lights Output Short To Ground is the main cause of W4903 error.To solve W4903 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.

Bobcat S220 Photo

Tip For S220 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 excavator.

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.

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