Komatsu HD785-5, Operation & Maintenance Manual

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ATTACHMENTS, OPTIONS
ARSC (AUTOMATIC RETARDER SPEED CONTROL)
METHOD OF DISPLAYING MODEL SELECTION, TIRE LARGE DIAMETER/SMALL DIAMETER, FAILURE CODE
When the starting switch is turned ON, the codes below are automatically displayed in the following order on the
controller LED.
1. LEDs all light up.
2. Model
Code: 78
3. Tire diameter (Large/small)
Code Tire Large/Small
B. – Large size (standard)
S. – Small size (if equipped)
4. Latest failure code
5. Failure code that occurred immediately before the failure code in 4.
6. Failure code that occurred immediately before the failure code in 5.
METHOD OF CLEARING FAILURE CODE
Turn machine starting switch to ON (the engine is not started) and disconnect connectors CR1 and CR2 under the
assistant's seat.
When this is done, "
– –
" is displayed on the controller LED.
When the "
– –
" changes from flashing and stays lighted up (3 seconds), the failure code has been cleared.
REMARK
When using the ARSC for the first time, always clear the failure codes.
After clearing the codes, connect connectors CR1 and CR2.
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