Bobcat S550 M4902 Error Code

M4902 Fault Code Meaning :

Rear Light Relay Error On

Blue lights Output Short To Battery or Open Circuit

Rear Light Relay Error On

M4902 Error Code

Rear Light Relay Error On is the main cause of M4902 error.Particularly in colder temperatures, starter failure seems to be a problem that happens more and more. In order to determine future performance, during the beginning of the winter season, the starter mechanism should be reviewed. Clear signs of problems with a starter will likely be noticed by the operator first.

Tip For S550 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.)