Komatsu WA320-5H Operation & Maintenance Manual page 269

MACHINE MONITOR WITH LOAD METER
HST OIL FILTER CLOGGING CAUTION LAMP
When the engine is running, this lamp (4) lights up if the HST
oil filter is clogged.
During checks before starting (when the starting switch is
turned to the ON position but the engine is not started), this
monitor does not light up.
During operation (engine running)
This lamp lights up if the HST oil filter is clogged.
At the same time, the top line of the character display displays "E01" and the bottom line displays "HST OIL FIL-
TER", so replace the oil filter.
REMARK
The lamp may light up in cold temperatures, but it should go out when the HST oil temperature gauge indicator
enters the white range.
AIR CLEANER CLOGGING CAUTION LAMP
This lamp (5) lights up if the air cleaner element becomes
clogged when the engine is running.
During checks before starting (when the starting switch is
turned to the ON position but the engine is not started), this
monitor does not light up.
During operation (engine running)
The lamp lights up if the air cleaner element becomes clogged.
At the same time, the top line of the character display displays "E01" and the bottom line displays "AIR FILTER", so
stop the engine and clean or replace the element.
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ATTACHMENTS, OPTIONS