Komatsu ecot3 Operation And Maintenance Manual page 263

OPERATION
TROUBLES AND ACTIONS
Point of Contact to Telephone when Error Occurs
If an error screen is displayed on the monitor, the telephone
number for the point of contact is displayed at the bottom of the
error screen.
REMARK
If no point of contact telephone number has been registered, no
telephone number is displayed.
It is necessary to register the telephone number, please ask your
Komatsu distributor to carry out the registration.
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