ATN PS15 Operator's Manual page 45

6.2. OPERATOR TROUBLESHOOTING
Table 6-2 lists common malfunctions that you may find in your
equipment. Perform the tests, inspections, and corrective actions
in the order they appear in the table.
This table cannot list all the malfunctions that may occur, all the
tests and inspections needed to find the fault, or all the corrective
actions needed to correct the fault. If the equipment malfunction
is not listed or actions listed do not correct the fault, notify ATN or
your point of Purchase.
6-7