6 Troubleshooting
6.1 Overhaul
Examine the components of the product. You find repair
and servicing instructions for each component in the
related chapters of this manual.
6.2 To connect the common service tool
1. Connect the adapter cable for the common service
tool to the battery and the battery connector on the
product. Connect cable (A) to the common service
tool to do troubleshooting of the product. Connect
cable (B) to the common service tool to do
troubleshooting of the battery.
A
B
Note: Refer to the manual for the common service
tool for instructions and obey the instructions.
2. Do troubleshooting as given in the common service
tool instructions.
6.3 To do troubleshooting of the common
service tool
If there is no signal to the common service tool when it is
connected to the product, do the procedure that follows.
1. Make sure that the connectors on the battery and on
the product are clean and not damaged. Replace the
battery or control unit on the product if there is
damage.
2. Make sure that the cable to the common service tool
is clean and not damaged. Replace the cable if there
is damage.
3. Restart the computer.
4. Install the software again.
6.4 Troubleshooting of the product
Symptom
Possible causes
Recommended step
The product does not start. No LEDs
come on when you press the on/off
button.
Defective battery.
Press the on/off button to do a check
of the battery. A minimum of 1 green
LED must come on.
Defective plug between battery and
product.
Make sure that the power connectors
between the battery and the product
are not dirty or damaged.
Defective connection in keypad con-
nector.
Make sure that the keypad connector
is correctly assembled, dry, not dam-
aged and that there is no corrosion.
Broken keypad.
Replace keypad.
Cables between control unit and key-
pad/main switch are damaged.
Repair/replace the cables if you can
see damages.
Short circuit in control unit.
Replace control unit.
No reaction from the electrical motor
when you push the power trigger.
Front handle not started.
Start and hold the front handle when
you push the power trigger.
Defective connection in the signal
connector for the main switch.
Make sure that the main switch signal
connector is correctly assembled, dry,
not damaged and that there is no cor-
rosion.
Motor connector not correctly assem-
bled.
Make sure that the motor connec-
tor(s) are correctly assembled.
Internal damage to main switch.
Replace main switch.
Short circuit in control unit.
Replace control unit.
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Troubleshooting - 15