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MNVCDTRX301_0850
14 Troubleshooting
Although the DTRX3 receiver is characterized by a great ease of use, sometimes troubles may occur,
especially during the installation and configuration phases or using the unit.
PROBLEM
PROBABLE CAUSE
REMEDY
Led LD1 is off
No power supplied to the unit
The fuse is blown
Check the power cable
Replace the F5 fuse
Led LD1 is on but the
commands
are
not
executed
Wrong
configuration
of
the
reception
Wrong connection
Wrong DTRX3 identification
The unit is blocked
Wrong communication speed or
protocol
In case of RS485 mode, check if the load
is inserted/not inserted with JP5 jumper. In
case of Current Loop mode, verify that the
JP2 and JP3 jumper are on CL position.
Check the connecting cables
Check the identification number of DTRX3
(SW1-SW2-SW3)
Press the reset key P1 or turn off the
power supply
Check the setting of dip 1,2 and 8 of SW4
and of dip 1 of SW6
The positioning device
does not work
Wrong power supplied to the
positioning device
Make sure that the supply voltage of the
positioning device corresponds to the one
supplied by the receiver
The lens does not work
Wrong lens voltage
Check the adjustment of the TR1 trimmer
The alarms does not
work
Wrong configuration of alarms
dip
Control the setting of Dip3, 4 and 5 of
SW4
In a cascade connection,
the units which follow do
not receive the user’s
commands
Wrong connection
Wrong
configuration
of
the
reception
Dip switch wrong configuration
Check the connecting cables
In case of RS485 mode, check if the load
is inserted/not inserted with JP6 jumper. In
case of Current Loop mode, verify that the
JP2 and JP3 jumper are on CL position.
Control the address setting of the non-
functioning units
