SEAL 5H1552 - Caterpillar

Illustration 1 g02294694
Schematic of the boom relay lightThis diagnostic code is associated with the boom relay mode light. The FMI 06 diagnostic code means that the switch panel has determined that the current of the lamp circuit is above normal. The possible causes of this diagnostic code are listed below:
The energize circuit of the indicator lamp is shorted to ground.
The indicator lamp has failed.
The switch panel has failed. A failure