Komatsu D375A-8, Operation & Maintenance Manual

Page: 87 / 466

PREHEATING PILOT LAMP
The preheating pilot lamp is displayed while the engine is pre-
heated before started.
When the temperature is low (in cold weather) and the auto-
matic preheating function operates, the preheating pilot lamp
lights up. When the preheating is completed, it goes out.
Automatic preheating is for a maximum of approximately 40
seconds.
FAN REVERSE ROTATION PILOT LAMP
The fan reverse rotation pilot lamp lights up while the fan is ro-
tating in reverse.
For the reverse rotation of the fan, see “Reverse hydraulic fan”.
AIR CONDITIONER PILOT LAMP
The air conditioner pilot lamp shows the operating state of the
air conditioner.
Pilot lamp lights up: Air conditioner ON
Pilot lamp goes out: Air conditioner OFF
MESSAGE DISPLAY
The User Message is displayed when there is a message from
Komatsu.
To read the message, see “Message display”.
Lights up in green (A): There is unread message.
Lights up in blue (B): There is any read message to which no
reply is made.
OFF: No messages
OPERATION EXPLANATION OF COMPONENTS
3-29