CPG Caution/Warning Light Segments continued
Illumination Parameter or Fault
ELEC SYS FAIL
Complete dc electrical system failure. The battery is powering the dc
Backup control system is activated in at least one control axis.
Primary system hydraulic oil pressure is below 1250 psi.
Automatic operation of the stabilator control unit has failed, or manual
control has been selected.
Intermediate gearbox temperature is above 274 294 F (135 145
Utility system hydraulic oil pressure is below 1250 psi.
ENG ANTI ICE
An engine anti-ice subsystem has failed.
KY-58 is operating.
CHIPS MAIN XMSN
Main transmission chip detector has detected metal fragments.
FUEL LOW FWD
When light comes on, about 260 to 300 pounds of fuel remain in the
forward fuel cell at cruise attitude.
FUEL LOW AFT
When light comes on, about 210 to 270 pounds of fuel remain in the aft
fuel cell at cruise attitude.
One or more components of the automatic stabilization equipment is
inoperative, or one or more of the SAS channels is inoperative or has
been selected OFF.
One or a combination of the following: engine oil pressure low, engine oil
filter in bypass, engine chips, engine fuel filter bypass, engine fuel
pressure low, nose gearbox chips, nose gearbox oil pressure low, nose
gearbox oil temperature high.
MAIN XMSN 2
One or a combination of the following: transmission oil temperature high,
oil pressure low.
The selected bus controller has malfunctioned and the other bus controller
has assumed control of the multiplex bus. Light will extinguish when the
operating bus controller is selected with the MUX switch on the CPG fire
Intermediate or tail rotor gearbox vibration level is excessive.
Tail rotor gearbox temperature is above 274 294 F (135 145 C).