Hitachi ZAXIS 135US-5B Operator's Manual page 85

Display Contents of Alarms
Fuel Temperature Alarm
Hydraulic Oil Filter Restriction
Alarm
Air Cleaner Restriction Alarm
Fuel Filter Restriction Alarm*
System Failure Alarm
Pilot Control Shut-Off Lever
Alarm
Electric Lever Alarm
f
NOTE: The hydraulic oil filter alarm lights only when the high performance element (optional) is used.
f
NOTE: *If the indicator comes ON immediately after replacing the fuel filter, air mixed in the system during replacement
may be the cause. Be sure to bleed air from the fuel system when replacing the fuel filter. (When air is bled, the indicator will
go OFF.)
OPERATOR'S STATION
Fuel temperature has abnormally increased. Stop operation. Check
fuel cooler for any malfunction such as clogging.
The hydraulic oil filter is clogged.
Replace hydraulic oil filter element.
Air filter elements are clogged.
Clean or replace air filter elements.
Fuel filter is clogged.
Replace fuel filter element.
Communication system is abnormal.
Contact your nearest authorized dealer.
Pilot control shut-off lever system is abnormal.
Contact your nearest authorized dealer.
Electric lever system is abnormal.
Contact your nearest authorized dealer.
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Remedy