Section II. ISOLATION PROCEDURES
2-16. GENERATOR FAULT CONDITIONS
a. Mains Switch. If the generator does not turn on or the MAINS switch does
not light up, look for the following conditions.
The field generator is not functioning in a tactical shelter.
The mains disconnect is open (Box A and Box B in a tactical shelter).
There is a burnt-out fuse in the mains disconnect.
There is a loose connection on the input cables.
There are blown lines on the contactor fuses.
There is a burnt coil on the contactor.
b. Prepare Cycle. If the PREPARE cycle does not complete or the PREPARE
light does not come on, one or more of the following may exist.
The rotor cable(s) is(are) not connected or the connection(s) may be
The rotor controller needs adjustment.
The circuit breaker(s) is(are) open in the rotor power supply.
The rotor-controller phase-shift capacitor is shorted or open.
There is a fault on the rotor-controller PCB.
c. Exposure Cycle. If the PREPARE sequence appears OK, but the
EXPOSURE sequence does not function properly look for the following.
(a) If the SAFETY/RESET light is lit, check the technique factors
(b) If the READY light of the over-table collimator is not on, one of the
following may be the cause: