Bobcat 873 M4404 Error Code

M4404 Fault Code Meaning :

Auxiliary Controller No Communication

Auxiliary No Communication

Secondary No Communication

M4404 Error Code

Secondary No Communication is the main cause of M4404 error.To solve M4404 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 873 Model

Stop the machine on a firm flat surface. When removing or installing attachments (such as a bucket), always have a second person in the operator's seat, give clear signals and work carefully.

NOTE: Installation and removal of a bucket is shown. The procedure for other attachments is similar. Disconnect all hydraulic connections prior to removing the attachment (breaker, auger, etc.)