Troubleshooting
W9215-8135-1 119
06/2021
TROUBLESHOOTING
The troubleshooting section includes malfunctions and incorrect operations, which according to the maintenance
chart must either be remedied by the operator or by skilled personnel. Any other malfunctions may only be re
-
solved by trained personnel. The troubleshooting must be performed with the aid of the troubleshooting table. In
order to locate a malfunction, first look in the MALFUNCTION column for the corresponding excavator malfunction.
In the POSSIBLE CAUSE column you will find the possible causes for the malfunction. The REPAIR column indi
-
cates the required remedial measure. If the malfunction cannot be fixed by the measure indicated in the REPAIR
column, please consult your
KUBOTA dealer.
Safety rules for troubleshooting
Adhere to the general safety rules (page 13) and the safety rules for operation (page 65).
The operator is not allowed to open the electrical and hydraulic system. These services are reserved for trained
personnel.
During troubleshooting, the safety on and around the excavator must always be ensured.
If troubleshooting of the excavator calls for the bucket to be raised, the operator may not stand in the area of the
front attachments unless the front attachments are secured against inadvertent lowering by suitable measures.
Troubleshooting: Before operation
In order to resolve malfunctions related to the operation, use or maintenance of the exhaust purifica-
tion system, implement the measures immediately in accordance with the troubleshooting table.
MALFUNCTION POSSIBLE CAUSE REPAIR
No function available when the
starter switch is turned to the RUN
position.
Main fuse at battery blown Replace the main fuse (page 110).
Indicator lights do not come on as
expected when the starter switch is
turned to the RUN position.
Fuse blown Replace the fuses (page 110).
Starter does not turn when the start-
er switch is turned to the START
position.
Drain battery Charge the battery (page 142).
Jump-starting the excavator
(
page 107).
Pulled engine emergency stop knob Push engine emergency stop knob
(
page 30).
Engine does not start when the
starter switch is turned to the
START position, but starter turns.
Air in the fuel system Check the fuel system for leaks and
bleed it (
page 109).
Water in the fuel system Check the water separator for water
content, drain if necessary
(
page 71).