40/53 IMET - M550 ALL1-EN
9. TROUBLESHOOTING
This chapter contains advice on handling malfunctions in the radio remote control.
First of all make sure that the problem actually depends on the remote control. To do so, operated the
machine using the wired remote control instead of the radio remote control. The test is valid provided
the same controls are tested and that the radio remote control and the wired remote control use the
same connector.
Any tampering with the radio remote control or its components will automatically void the
manufacturer’s warranty
All repairs should be performed by qualified, authorized personnel and following the manufacturer’s
instructions.
Use original spare parts when making replacements, in order to preserve the original features of the
radio remote control (see the list of replaceable parts in Chap. 10).
Radio Remote Control
Problem Possible Remedies
Limited operating range
• Check the antenna and move it to a new
location if necessary (see Chap. 5)
• Check the Data Error LEDs and change the
frequency if necessary (see Chap. 7)
Certain functions perform improperly
• See Annexes B and C
Transmitting Unit
Problem Possible Remedies
Transmitting unit does not turn on
• Check battery charge
• Make sure the magnetic key is in place
• Make sure no controls are in the working
position when you press START
•
Make sure the STOP button is not pressed
LED flashes rapidly at start-up
• Malfunction in the STOP circuit: see Chap.
8.1
LED makes one short flash at start-up, even if
you keep pressing the Start button
• Make sure the EEPROMs are correctly
installed on both the receiver and the
transmitter
At start-up the LED lights up only when you press
the Start button
• Check the contacts on the STOP button
Receiving Unit
Problem Possible Remedies
Receiving unit does not turn on
• Check the protection fuses
• Check the power cables
Receiver turns on but does not operate the
application, and the yellow LEDs are on
• On the receiver, check the fuse in series to
the STOP relay and the control relay
• Check the wiring between the receiver and
the application
Receiver turns on but does not operate the
application, and the red LEDs are on
• Check the radio remote control’s operating
range
• Make sure the device is not in passive
emergency; if so, change the frequency
Certain commands are not executed
• Check the wiring between the receiver and
the application
Battery Charger
Problem Possible Remedies
On the models CB500 and CB3600, the green
“ON” LED does not turn on
• Check the power cable
• Check the battery charging fuse
The “Charge” LED turns off after 5-20 minutes
• Check input voltage stability
Battery charge does not last as long as expected
• Charge the battery when its is completely
exhausted
• Check the battery charger's power supply
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