Komatsu H70051 Series Operation & Maintenance Manual page 99

OPERATION EXPLANATION OF COMPONENTS
REMOTE POSITIONER PILOT LAMP
The remote positioner pilot lamp lights up in green when the re-
mote positioner is effective.
When the remote positioner function is changed from OFF to
ON, the display pops up.
The remote positioner does not operate when the boom detent
function is set to OFF.
For details of the boom detent, see "BOOM RAISE DETENT
SETTING (3-67)".
For details of the remote positioner, see "REMOTE POSITION-
ER (3-201)".
FAN REVERSE ROTATION DISPLAY
When the radiator fan is set in manual or auto reverse rotation
mode, if the fan starts to rotate in reverse, fan reverse rotation
pilot lamp (A) lights up.
This lamp flashes while the rotation direction is being changed.
If the condition for changing the fan rotation direction is not sat-
isfied, changing condition satisfaction waiting pilot lamp (B)
lights up.
For details of the method of setting the fan reverse mode, see
"RADIATOR FAN MANUAL REVERSE MODE (3-59)" and
"RADIATOR FAN AUTOMATIC REVERSE MODE (3-61)".
PREHEATING PILOT LAMP
The preheating pilot lamp lights up when the automatic pre-
heating function of the engine is actuated, and goes out when
preheating is completed.
The pilot lamp also lights up during manual preheating. The
electrical heater for engine preheating is actuated while the pi-
lot lamp is lit.
AIR CONDITIONER DISPLAY
The air conditioner display shows the operating state of the air
conditioner.
3-33