28
COMMON PROBLEMS
The following are common problems associated with
using the Hetronic Nova-M Digital system, and their
possible solutions. For help in diagnosing problems in
the receiver, refer to the drawing in the “Test the
System” on page 16 of this manual that shows the
location of each diagnostic LED.
PROBLEM
PROBABLE CAUSE
CORRECTION
System will not
initialize after normal
start-up procedure
E-Stop switch engaged
Twist and pull out E-Stop switch. Restart
system by pressing Start/horn.
Batteries fully discharged
Check battery to ensure a full charge.
Replace with fully charged battery if
necessary.
No power to the receiver
Check the diagnostic LEDs in the receiver
to be sure power is applied. Ensure that the
system is properly grounded.
The transmitter is
turned on, but does
not transmit (Power
LED not flashing)
Battery is discharged
Replace battery with a fully charged battery.
Broken key switch
Check wiring on key switch. Replace key
switch, wiring or contact element.
Coder board failure
Contact Hetronic or your Dealer.
Transmitter is
transmitting (Power
LED flashing), but
crane/machine will
not respond
E-Stop switch engaged
Twist and pull out the E-Stop pushbutton
and press the Start/horn pushbutton
Transmitter out of range
Take the transmitter back into the range of
the receiver. Press the Start/horn
pushbutton.
A motion function was not in OFF
(neutral) position when transmitter
turned on
Ensure that all control devices are in OFF
(neutral) position when the Start/horn button
is activated.
Receiver power off
Turn on power to receiver.
Blown fuse in receiver
Check all fuses. Replace if necessary.
E-Stop failure in transmitter
Check E-Stop pushbutton for damage.
Check wiring to contact element for broken
or disconnected wires. Repair or replace
E-stop pushbutton or wiring.
E-Stop failure in receiver. Red
E-Stop LED on PCB is illuminated
Contact Hetronic or your Dealer
Transmitter/receiver frequency
channels do not match
Check frequency settings to be sure
transmitter and receiver are set to same
frequency channel
NOTE:
Always match the transmitter
frequency channel to the receiver. NEVER
change the receiver frequency channel.
Contact Hetronic or your Dealer.
ADMO address codes of transmitter
and receiver do not match
Check that the ADMO address code is the
same for the transmitter and receiver.
Contact Hetronic or your Dealer.