Section V. UNIT TROUBLESHOOTING
The branching logic tree diagrams list common malfunctions that you may find with your equipment. Follow the
instructions given in the order they appear.
The branching logic tree diagrams cannot list all the malfunctions that may occur, all the steps needed to find the fault, or
all the corrective actions needed to correct the fault. If the equipment malfunction is not listed or corrective actions taken
do not correct the fault, notify your supervisor.
Figure 4-2. AFFF Solution