PS
S5.4
5460
001
OE35
Version no
T-code
F-code
Section
C-code
Electrical System Troubleshooting
200
Service Manual
1996-10-15
After the final test is completed the truck should be repaired
and operating properly. If it is not then you must verify your
test results and possibly re-evaluate the failure symptoms. If
you still have not repaired the truck then you should call your
local dealer for assistance. Authorized dealers may contact
the factory for assistance. When you call the following
information is required: Truck model and serial number,
service meterhours, actual battery voltage (open circuit and
at hydraulic operation under full load), the precise operating
symptoms and the exact results of the testing you have done.
The first steps of any troubleshooting procedure are to:
1. Inspect the truck for physical damage or
mechanical malfunction. Contactors must be free
to move and the tips must not be welded or burnt.
2. Check for ground faults from the electrical system
to the frame with an ohmmeter. A minimum of
20,000 ohms resistance from the frame to any and
all wiring is acceptable.
3. Check that the battery is fully charged and
connected.
4. Operate the truck in all modes to determine the
exact operating symptoms. Do not forget that
these systems are equipped with safety circuits
that prevent operation in the event of improper
operating procedures.
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