10. Maintenance and Troubleshooting
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10.3 Troubleshooting
Problem Possible Cause Remedy
The power indicator does not
illuminate when the product is
switched on.
The product is not connected to an
active power supply.
Check the power connection and
cable to the machine.
The fuse in the mains plug has blown. Check and replace the fuse with an
identical item.
The power indicator goes out
during use.
The product has overheated and the
time fuse has blown.
Switch o and disconnect the
product from mains power and the
battery. Allow it to cool thoroughly;
the fuse will reset automatically.
The product is powered on but
delivers no output current.
The output overload fuses have
blown.
Switch o and disconnect the
product from mains power and the
battery. Allow it to cool thoroughly
and replace the output overload
fuses; see 10.2.
The cables are connected with incor-
rect polarity.
Disconnect the cables immediately
and reconnect them correctly.
The battery terminals or terminal
clamps are dirty and cannot conduct
the current.
Clean the battery terminals and
clamps and retry.
The jump leads are damaged or
faulty.
Disconnect the jump leads
IMMEDIATELY and contact Draper
Tools for support.
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