The operator first opens the outside door of the launch frame electrical control
enclosure, thus revealing the MIMIC panel. Opening the outer door still maintains the
environmental integrity of the cabinet.
With the chest pack connected and switched on check the status of the top row of
system indicator lights.
Table 9. 2 Launch Frame Electrical Control Enclosure MIMIC Panel; Indicator lights
Checks of Non Normal Status
controller supply from
Cab breaker 50 Amp set.
interface enclosure active.
The annunciator should
interface enclosure breaker 45 Amp
be lit at all times the
vehicle ignition is active.
Check that the interface enclosure
breaker control supply 4 Amp CB-3 is
All Connectors are made correctly.
Switched 24vDC supply
from interface enclosure
Vehicle in NEUTRAL.
that supplies the
Parking brake applied.
associated with bridge
E stop reset.
deployment. This supply
is only active if the normal
All circuit breakers set (breaker critical
startup criteria for bridge
for startup 50A cab, 45A CB-1, 4A CB-
deployment have been
3 and 15A CB-7).
Cab rotary switch in position 4.
Launch frame is folded open (LS-02,
LS04 both active).
Launch frame is rotated upright (LS-05
Both relax pins lifted and rotated (LS-
06, LS07 both active).
Confirms that the PLC
Internal PLC checks only. Replace
controller is serviceable.