User's Manual

6 SERVICE AND ERROR HANDLING
116
HF5x Transponder Reader (SECS1-Protocol), Release 1.4
6.3 Safety Instructions
6.4 Errors Indicated by the LEDs
6.4.1 Power LED Not Illuminated
1 Check the power supply and the connection cables.
2 If power LED is not illuminated, disconnect the device from
the power supply and carefully remove the fuse (see
illustration page 117). Test the fuse. If it is faulty, replace it by
a fuse specified by the manufacturer.
If the above measures do not solve the problem, leave the reader
disconnected and contact the manufacturer.
All antenna resonant circuit components carry
high voltages!
When replacement parts are required, use
replacement parts specified by the manufacturer
only. Unauthorized substitutions may result in
fire, electric shock, or other hazards.
Static electricity can harm electronic components
inside the device. ESD protection measures must
be observed when opening the device (see page
11).
When removing the housing lid, note that the
housing lid is connected to the case with a cable.
Remove the lid carefully to prevent damage – do
not pull it! Do not operate the device when the
housing lid is removed!
Do not short-circuit the fuse. This may result in
fire or damage to the device. When changing
fuses, use fuses specified by the manufacturer
only.