TM-5-5420-279-10
System Indicators
9.3.1.1
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.
9.3.1.2
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
Indicator
Light
Notes
Checks of Non Normal Status
Normal
Status
Controller
ON
Permanent 24vDC
Ignition on.
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
CB-1 set.
vehicle ignition is active.
Check that the interface enclosure
breaker control supply 4 Amp CB-3 is
set.
All Connectors are made correctly.
Bridge
ON
Switched 24vDC supply
Ignition on.
Deployment
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).
met.
Cab rotary switch in position 4.
Launch frame is folded open (LS-02,
LS04 both active).
Launch frame is rotated upright (LS-05
not active).
Both relax pins lifted and rotated (LS-
06, LS07 both active).
Controller
ON
Confirms that the PLC
Internal PLC checks only. Replace
Healthy
controller is serviceable.
PLC.
continued