27
All crane/machine
motions operate
intermittently
Receiver antenna connection is
loose or missing
Tighten or replace antenna.
External antenna (if used) has loose
connection, poor grounding or
interference
Tighten antenna and ground connection.
Contact Hetronic or your Dealer for more
information on external antennas.
Surge suppressors not installed on
contactors
Install RC type surge suppressors on all
magnetic contactors that are controlled by
the radio remote control system
Control wiring too close to high
power machine wiring
Control wiring must be run separately from
high power machine wiring.
Connector inside receiver is loose
Check all connectors, reseat if necessary.
Another Hetronic transmitter may
be interfering with the system.
NOTE:
This does not apply for
STD-402 RF modules
If another Hetronic system is located within
75 meters, the frequency channels must be
at least 2 channels apart. If another system
is within 20 meters, the channels must be at
least 3 channels apart. Contact Hetronic or
your Dealer for assistance.
Some crane/machine
motions operate
intermittently
Crane/machine motion wiring may
be loose.
Check wiring from receiver to plug and from
plug to crane/machine motion actuator.
Connector inside receiver is loose
Check all connectors, reseat if necessary.
Surge suppressors not installed on
contactors
Install RC type surge suppressors on all
magnetic contactors that are controlled by
the radio remote control system
Control wiring too close to power
wiring
Control wiring must be run separately from
high power machine wiring.
PROBLEM
PROBABLE CAUSE
CORRECTION
