TROUBLESHOOTING
METHOD OF USING JUDGEMENT TABLE
METHOD OF USING JUDGEMENT TABLE
This judgement table is a tool to determine if the problem with the machine is caused by an abnormality in the
electrical system or by an abnormality in the hydraulic or mechanical system. The symptoms are then used to
decide which troubleshooting table (E-00, S-00, F-00, H-00, K-00, M-00) matches the symptoms.
The judgement table is designed so that it is easy to determine from the user code and service code which
troubleshooting table to go to.
t The abnormality display (caution) given by the monitor panel leads directly to troubleshooting of the machine
monitor (M-00). (See troubleshooting of the machine monitor system)
1. When using judgement table for engine throttle controller and engine related parts
l
If a service code is displayed on the monitor panel, go to the troubleshooting code at the bottom of the
judgement table (E-00).
(A l mark is put at the places where the failure mode and service code match.)
l If a problem has appeared but no service code is displayed on the monitor panel, go to the point where
the failure mode matches the troubleshooting code on the right of the judgement table (E-00 or S-00).
<Example> Failure mode “Engine do& not start”.
Procedure: Check if the service code is being displayed on the monitor panel.
[Judgementl
1) If a service code is being displayed on the monitor panel:
go to troubleshooting E-00 for the engine throttle controller system.
2) If no service code is displayed on the monitor panel, and the engine does not start:
l Check that starting motor rotates
c
Starting motor rotates . . . Go to troubleshooting S-2 of mechanical system
Starting motor does not rotate . . .
Go to troubleshooting E-11 of electrical system
20-I 02
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